Search

EP-4735950-A1 - PRESBYOPIA-CORRECTING LENS SYSTEMS HAVING HYPEROPIC / MYOPIC CORRECTION-DEPENDENT DESIGNS

EP4735950A1EP 4735950 A1EP4735950 A1EP 4735950A1EP-4735950-A1

Abstract

Presbyopia-correcting multifocal contact lens systems having hyperopic / myopic refractive error correction dependent designs. The multifocal contact lenses are part of a multifocal contact lens system ("lens system") that includes a plurality of myopic- correcting and hyperopic-correcting lenses that each have an add optical zone for presbyopia correction and that can be selected and fitted to a patient wearer based on their refractive error. To improve far-distance vision of hyperopes, the spherical aberration (SPHA) profile, the add optical zone diameter, and/or the add power of the hyperopic- correcting lenses in the lens system are optimized based on hyperope patient characteristics, which may be different than myope patient characteristics used to optimize the myopic-correcting lenses in the lens system. Such design optimizations may also be refractive error dependent for even further enhanced far-distance vision.

Inventors

  • NANKIVIL, Derek
  • Zangoulos, Julia

Assignees

  • Johnson & Johnson Vision Care, Inc.

Dates

Publication Date
20260506
Application Date
20240625

Claims (20)

  1. 1. A contact lens system, comprising: a plurality of myopic-correcting lenses, each having a myopic power profile and each comprising: a first add optical zone having a first add zone power profile comprising a myopic paraxial power selected to substantially correct myopic refractive error and a first add power; and a first transitional optical zone surrounding the first add optical zone, the first transitional optical zone having a myopic progressive power profile; and the myopic power profile comprising the first add zone power profile and the myopic progressive power profile, the myopic power profile includes a first spherical aberration (SPHA); and a plurality of hyperopic-correcting lenses, each having a hyperopic power profile and each comprising: a second add optical zone having a second add zone power profile comprising a hyperopic paraxial power selected to substantially correct hyperopic refractive error and a second add power; and a second transitional optical zone surrounding the second add optical zone, the second transitional optical zone having a hyperopic progressive power profile; the hyperopic power profile comprising the second add zone power profile and the hyperopic progressive power profile, the hyperopic power profile having a second SPHA; wherein the second SPHA of each of the plurality of hyperopic-correcting lenses is at least ten percent ( 10%) less than the first SPHA of each of the plurality of myopic -correcting lenses.
  2. 2. The contact lens system of claim 1, wherein: the second SPHA of each of the plurality of hyperopic-correcting lenses is between ten percent (10%) and twenty percent (20%) less than the first SPHA of each of the plurality of myopic -correcting lenses.
  3. 3. The contact lens system of claim 1, wherein: the first SPHA of each of the plurality of myopic-correcting lenses is targeted to an average first ocular SPHA of a population of myopes; and the second SPHA of each of the plurality of hyperopic -correcting lenses is targeted to an average second ocular SPHA of a population of hyperopes.
  4. 4. The contact lens system of claim 3, wherein: the first SPHA of each of the plurality of myopic-correcting lenses is a first residual SPHA from the first ocular SPHA for the targeted average SPHA of the population of myopes; the second SPHA of each of the plurality of hyperopic-correcting lenses is a second residual SPHA from the second ocular SPHA for the targeted average SPHA of the population of hyperopes; and the first residual SPHA is the second residual SPHA.
  5. 5. The contact lens system of claim 1, wherein: at least one of the plurality of myopic-correcting lenses has the respective myopic power profile providing a first label add power of at least +1.5 diopter (D); at least one of the plurality of hyperopic -correcting lenses has the respective hyperopic power profile providing the first label add power; and the second add power of the at least one of the plurality of hyperopic-correcting lenses is at least +0.2D less than the first add power of the at least one of the plurality of myopic-correcting lenses.
  6. 6. The contact lens system of claim 5, wherein: the at least one of the plurality of myopic-correcting lenses comprises: one or more mid-add power myopic -correcting lenses comprises the respective myopic power profde providing a mid-add label add power between +1.5 diopters (D) and +1.99D; one or more high-add power myopic-correcting lenses comprises the respective myopic power profde providing a high-add label add power between +2.0 and +2.5D; the at least one of the plurality of hyperopic-correcting lenses comprises: one or more mid-add power hyperopic-correcting lenses comprises the respective hyperopic power profde providing the mid-add label add power; one or more high-add power hyperopic-correcting lenses comprises the respective hyperopic power profde providing the high-add label add power; the second add power of the one or more mid-add power hyperopic-correcting lenses is at least +0.2D diopters less than the first add power of the one or more mid-add power myopic-correcting lenses; and the second add power of the one or more high-add power hyperopic-correcting lenses is at least +0.2D diopters less than the first add power of the one or more high-add power myopic-correcting lenses.
  7. 7. The contact lens system of claim 6, wherein: the second add power of the one or more mid-add power hyperopic-correcting lenses is at least +0.3D diopters less than the first add power of the one or more mid-add power myopic-correcting lenses.
  8. 8. The contact lens system of claim 1, wherein: the second SPHA for each of the plurality of hyperopic-correcting lenses is the same.
  9. 9. The contact lens system of claim 1, wherein: for each of the plurality of myopic -correcting lenses: the first add optical zone is disposed around a first optical axis; and the first SPHA is a spherical aberration in the myopic power profile is a function of radius relative to first optical axis; for each of the plurality of hyperopic-correcting lenses: the second add optical zone is disposed around a second optical axis; and the second SPHA is a spherical aberration in the hyperopic power profile is a function of radius relative to second optical axis; the first SPHA of each of the plurality of myopic-correcting lenses is between - 0.064 diopter (D) / millimeter (mm) 2 (D/mm 2 ) and -0.096 D/mm 2 ; and the second SPHA of each of the plurality of hyperopic-correcting lenses is between -0.073 D/mm 2 and -0. 111 D/mm 2 .
  10. 10. The contact lens systems of claim 1, wherein: the plurality of myopic -correcting lenses comprise one or more myopic -correcting lenses having the myopic power profile comprising a first label add power; the plurality of hyperopic-correcting lenses comprise one or more hyperopic- correcting lenses having the hyperopic power profile that comprising the first label add power; the first label add power of the one or more hyperopic -correcting lenses is reduced with respect to the first label add power of the one or more myopic- correcting lenses by between 0 and +0.50 diopter (D).
  11. 11. The contact lens system of claim 10, wherein: a depth-of-focus (DOF) of the one or more hyperopic-correcting lenses is changed with respect to a DOF of the one or more myopic-correcting lenses by between +0.05D and -0.25D.
  12. 12. The contact lens systems of claim 1, wherein: the plurality of myopic-correcting lenses comprises: one or more low-add myopic-correcting lenses of the plurality of myopic- correcting lenses having the myopic power profde comprising a low-add label add power between +0.5 diopter (D) and +1.49D; one or more mid-add myopic -correcting lenses of the plurality of myopic- correcting lenses having the myopic power profde comprising a mid-add label add power between +1.5D and +1.99D; one or more high-add myopic-correcting lenses of the plurality of myopic- correcting lenses having the myopic power profde comprising a mid-add label add power between +2.0D and +2.5D diopters; the plurality of hyperopic-correcting lenses comprises: one or more low-add hyperopic-correcting lenses of the plurality of hyperopic-correcting lenses having the hyperopic power profde comprising the low-add label add power; one or more mid-add hyperopic-correcting lenses of the plurality of hyperopic-correcting lenses having the hyperopic power profde comprising the mid-add label add power; one or more high-add hyperopic-correcting lenses of the plurality of hyperopic-correcting lenses having the hyperopic power profde comprising the high-add label add power; the low-add label add power of the one or more low-add hyperopic-correcting lenses is reduced with respect to the low-add label add power of the one or more low-add myopic-correcting lenses between 0D and +0.15D; the mid-add label add power of the one or more mid-add hyperopic-correcting lenses is reduced with respect to the mid-add label add power of the one or more mid-add myopic-correcting lenses between +0.20D and +0.50D; and the high-add label add power of the one or more mid-add hyperopic-correcting lenses is reduced with respect to the high-add label add power of the one or more mid-add myopic-correcting lenses between +0.15D and -.0.15D.
  13. 3. The contact lens system of claim 1, wherein: for each of the plurality of hyperopic-correcting lenses: the second add optical zone is disposed around a second optical axis; and the plurality of hyperopic -correction lenses each have the comprised from the group consisting of: a low-add hyperopic power profde comprising: the second add optical zone comprising a second, low-add add optical zone diameter having second, low-add add optical zone diameter between 0 and 0.23 mm; and the second transitional optical zone comprising: a first, second low-add transitional optical zone having a first radius relative to the second optical axis between 0.23 and 0.44 mm, and the second add power between +0.002 diopter (D) and +0.003D; a second, second low-add transitional optical zone having a second radius relative to the second optical axis between 0.44 mm and 0.67 mm, and the second add power between +0.0005D and +0.00 ID; a third, second low-add transitional optical zone having a second radius relative to the second optical axis between 0.67 mm and 2.0 mm, and the second add power between +0.0005D and +0.00 ID; and a second low-add final, distance optical zone extrapolated paraxial power of between +0.336D and +0.537D relative to paraxial power of the refractive need; a mid-add hyperopic power profile comprising: the second add optical zone comprising a second, mid-add add optical zone diameter having second, mid-add add optical zone diameter between 0 mm and 0.73 mm; and the second transitional optical zone comprising: a first, second mid-add transitional optical zone having a first radius relative to the second optical axis between 0.73 mm and 0.98 mm, and the second add power between +0.343D and +0.425D; a second, second mid-add transitional optical zone having a second radius relative to the second optical axis between 0.98 mm and 1.38 mm, and the second add power between +0.262D and +0.344D; and a third, second mid-add transitional optical zone having a second radius relative to the second optical axis between 1.38 mm and 2.0 mm, and the second add power between +0.060 and +0.142D; and a second mid-add final, distance optical zone extrapolated paraxial power of between +0.259D and +0.460D relative to the paraxial power of the refractive need; and a high-add hyperopic power profile comprising: the second add optical zone comprising a second, high-add add optical zone diameter having second, high-add add optical zone diameter between 0 mm and 0.59 mm; and the second transitional optical zone comprising: a first, second high-add transitional optical zone having a first radius relative to the second optical axis between 0.59 mm and 0.87 mm, and the second add power between +0.845D and +1.045D; a second, second high-add transitional optical zone having a second radius relative to the second optical axis between 0.87 mm and 1.33 mm, and the second add power between +0.646D and +0.846D; and a third, second high-add transitional optical zone having a second radius relative to the second optical axis between 1.33 mm and 2.0 mm, and the second add power between +0.149D and +0.349D; and a second high-add final, distance optical zone extrapolated paraxial power of between +0.428D and +0.629D relative to the paraxial power of the refractive need.
  14. 14. The contact lens system of claim 13, wherein: for each of the plurality of myopic -correcting lenses: the first add optical zone is disposed around a first optical axis; and the plurality of myopic-correction lenses each have the myopic power profile comprised from the group consisting of: a low-add myopic power profile comprising: the first add optical zone comprising a first, low-add add optical zone diameter having first, low-add add optical zone diameter between 0 mm and 0.23 mm; and the first transitional optical zone comprising: a first, first low-add transitional optical zone having a first radius relative to the first optical axis between 0.23 and 0.44 mm, and the first add power between +0.002D and +0.003D; a second, first low-add transitional optical zone having a first radius relative to the first optical axis between 0.44 mm and 0.67 mm, and the first add power between +0.002D and +0.003D; a third, first low-add transitional optical zone having a first radius relative to the first optical axis between 0.67 mm and 2.0 mm, and the first add power between +0.0005D and +0.001D; and a first low-add final, distance optical zone extrapolated paraxial power of between +0.336D and +0.537D relative to paraxial power of the refractive need; a mid-add myopic power profile comprising: the first add optical zone comprising a first, mid-add add optical zone diameter having first, mid-add add optical zone diameter between 0 mm and 0.78 mm; and the first transitional optical zone comprising: a first, first mid-add transitional optical zone having a first radius relative to the first optical axis between 0.78 mm and 1.06 mm, and the first add power between +0.343D and +0.425D; a first, first mid-add transitional optical zone having a first radius relative to the first optical axis between 1.06 mm and 1.49 mm, and the first add power between +0.262D and +0.344D; and a third, first mid-add transitional optical zone having a first radius relative to the first optical axis between 1.49 mm and 2.0 mm, and the first add power between +0.060 and +0.142D; and a first mid-add final, distance optical zone extrapolated paraxial power of between +0.559D and +0.760D relative to the paraxial power of the refractive need; and a high-add myopic power profile comprising: the first add optical zone comprising a first, high-add add optical zone diameter having first, high-add add optical zone diameter between 0 mm and 0.64 mm; and the first transitional optical zone comprising: a first, first high-add transitional optical zone having a first radius relative to the first optical axis between 0.64 mm and 0.94 mm, and the first add power between +0.845D and +1.045D; a first, first high-add transitional optical zone having a first radius relative to the first optical axis between 0.94 mm and 1.43 mm, and the first add power between +0.646D and +0.846D; and a third, first high-add transitional optical zone having a first radius relative to the first optical axis between 1.43 mm and 2.0 mm, and the first add power between +0.149D and +0.349D; and a first high-add final, distance optical zone extrapolated paraxial power of between +0.628D and +0.828D relative to the paraxial power of the refractive need.
  15. 15. The contact lens system of claim 1, wherein: the hyperopic power profile for each of the plurality of hyperopic-correcting lenses corresponds to a unique hyperopic refractive error correction; the second SPHA for each of the plurality of hyperopic-correcting lenses is dependent on its hyperopic refractive error correction.
  16. 16. The contact lens system of claim 15, wherein: for each of the plurality of myopic -correcting lenses: the first add optical zone is disposed around a first optical axis; and the first SPHA is a spherical aberration in the myopic power profile is a function of radius relative to first optical axis; for each of the plurality of hyperopic-correcting lenses: the second add optical zone is disposed around a second optical axis; an the second SPHA is a spherical aberration in the hyperopic power profile is a function of radius relative to second optical axis; the first SPHA of each of the plurality of myopic-correcting lenses is between - 0.064 diopter (D) / millimeter (mm) 2 and -0.096 D/mm 2 . the second SPHA of each of the plurality of hyperopic-correcting lenses is between -0.053 D/mm 2 and -0.146 D/mm 2 .
  17. 17. The contact lens system of claim 15, wherein for each of the plurality of hyperopic-correcting lenses: the second SPHA is dependent on its hyperopic refractive error correction as follows: a. low-add lens: SPHA in D/mm 2 = -0.003972*Rx - 0.1118, where Rx is in diopters. b. mid-add lens: SPHA in D/mm 2 = -0.003884*Rx - 0.0902, where Rx is in diopters. c. high-add lens: SPHA in D/mm 2 = -0.009384*Rx -0.0638, where Rx is in diopters.
  18. 18. The contact lens systems of claim 15, wherein: the plurality of myopic -correcting lenses comprise one or more myopic -correcting lenses having the myopic power profde comprising a first label add power; the plurality of hyperopic-correcting lenses comprise one or more hyperopic- correcting lenses having the hyperopic power profile that comprising the first label add power; and the first label add power of the one or more hyperopic -correcting lenses is reduced with respect to the first label add power of the one or more myopic- correcting lenses by between 0 diopters (D) and +0.65D.
  19. 19. The contact lens systems of claim 18, wherein: a depth-of-focus (DOF) of the one or more hyperopic-correcting lenses is changed with respect to a DOF of the one or more myopic-correcting lenses by between +0.30D and -0.20D.
  20. 20. The contact lens systems of claim 15, wherein: the plurality of myopic-correcting lenses comprises: one or more low-add myopic-correcting lenses of the plurality of myopic- correcting lenses having the myopic power profde comprising a low-add label add power between +0.5 diopters (D) and +1.49D; one or more mid-add myopic -correcting lenses of the plurality of myopic- correcting lenses having the myopic power profde comprising a mid-add label add power between +1.5D and +1.99D; one or more high-add myopic-correcting lenses of the plurality of myopic- correcting lenses having the myopic power profde comprising a mid-add label add power +2.0D and +2.5D; the plurality of hyperopic-correcting lenses comprises: one or more low-add hyperopic-correcting lenses of the plurality of hyperopic-correcting lenses having the hyperopic power profde comprising the low-add label add power; one or more mid-add hyperopic-correcting lenses of the plurality of hyperopic-correcting lenses having the hyperopic power profde comprising the mid-add label add power; one or more high-add hyperopic-correcting lenses of the plurality of hyperopic-correcting lenses having the hyperopic power profde comprising the high-add label add power; the low-add label add power of the one or more low-add hyperopic-correcting lenses is reduced with respect to the low-add label add power of the one or more low-add myopic-correcting lenses between 0D and +0.15D; the mid-add label add power of the one or more mid-add hyperopic-correcting lenses is reduced with respect to the mid-add label add power of the one or more mid-add myopic-correcting lenses between +0.20D and +0.50D; and the high-add label add power of the one or more mid-add hyperopic-correcting lenses is reduced with respect to the high-add label add power of the one or more mid-add myopic-correcting lenses between +0.40D and +0.65D.

Description

PRESBYOPIA-CORRECTING LENS SYSTEMS HAVING HYPEROPIC I MYOPIC CORRECTION-DEPENDENT DESIGNS PRIORITY APPLICATION [0001] This application claims priority to U.S. Provisional Patent Application No. 63/523,418, filed June 27, 2024, and entitled “PRESBYOPIA-CORRECTING LENS SYSTEMS HAVING HYPEROPIC / MYOPIC CORRECTION-DEPENDENT DESIGNS,” which is incorporated herein by reference in its entirety. FIELD OF THE DISCLOSURE [0002] The field of the disclosure relates to ophthalmic lenses useful for the correction of presbyopia. BACKGROUND [0003] As an individual ages, the eye is less able to accommodate or adjust the natural crystalline lens of the eye to focus on objects that are relatively near to the observer. This condition is known as presbyopia. Presbyopia is the gradual loss of the eyes’ ability to focus on nearby objects. Similarly, the ability to accommodate is absent in persons who have had their natural lens crystalline removed (e.g., as a result of cataract surgery). Presbyopia usually becomes noticeable in a person’s age of early to mid-40s and continues to worsen until around age 55 to 65. [0004] A known method for correction of presbyopia is to use a bifocal or multifocal lens on or in a patient wearer’s eyes. A multifocal lens is designed to have particular surface shapes to achieve multiple optical focal distances. Some multifocal lenses are designed to have an extended depth-of-focus (DOF) that “spreads” the focus along a wider range as a single elongated focal point to enhance range of vision or DOF instead of multiple optical focal distances. Multifocal lenses may also have higher intermediatedistance vision performance because of their extended-depth-of-focus (EDOF) with a peak performance for intermediate-distance focused objects. [0005] For example, Figure 1 is a schematic diagram of an exemplary multifocal lens 100 that has multifocality and an extended EDOF for correction of presbyopia for neardistance vision and correction of intermediate-distance and far-distance vision. The multifocal lens 100 has a center-near add optical zone 102 of diameter Dcz and transition optical zones 104( 1)- 104(3), each disposed around and extending outward from a center optical axis Ai of the multifocal lens 100. The add optical zone 102 has an add zone power profde of a paraxial power selected to substantially correct refractive error and an add power to correct presbyopia. The add optical zone 102 may be spherical or have some target spherical aberration that is dependent on the corrective first power in the add optical zone 102. The transitional optical zones 104( 1)- 104(3) each include a respective refractive error correction power profile for correction of light rays (“light”) passing through the multifocal lens 100 that are different radiuses Rc outside of the add optical zone 102 relative to the optical axis Ai. For example, each transitional optical zone 104(1)- 104(3) may have a progressive power profile that provides an overall multifocality to the wearer as a function of the distance of a focused object. The second transitional optical zone 104(2) surrounds the first transitional optical zone 104(1). The third transitional optical zone 104(3) surrounds the second transitional optical zone 104(2) and extends to the edge 106 of the optic zone of the multifocal lens 100. The multifocal lens 100 has an overall optic zone diameter De. [0006] DOF is a measure of performance used in the optimization of lens designs. DOF is defined as the total range of vergences (accommodative demands) over which performance does not drop by more than 3-lines of visual acuity relative to the peak performance. Thus, lens designs use DOF to deliver adequate near-distance performance while delivering quality vision through focus. For example, Figure 2A is a diagram of the multifocal lens 100 in Figure 1 that illustrates its EDOF. As shown in Figure 2A, light 200 received by the multi-focal lens 100 is refracted and focused at a plurality of focal lengths due to its power profile provided by its multiple optical zones discussed above. The power profile of the multifocal lens 100 is such that the received light 200 is focused over an elongated focal point 202 in an EDOF 204 to enhance range of vision. This is opposed to a single vision lens 206 shown in Figure 2B that focuses received light 200 to nominally single point 208 with a smaller DOF 210. However, multifocal lens designs typically tradeoff performance among far-distance, intermediate-distance, and near-distance vision. Thus, use of multifocal lenses could result in reduced visual acuity (i.e., image resolution) and image contrast at near-distance vision compared to a singlevision lens with readers. [0007] Figure 3 is graph 300 illustrating a minimum angular resolution (MAR) curve 302 as a function of viewing distance in diopters (D) for the multifocal lens 100 in Figure 1 worn in a patient’s dominant eye. As shown in the through focus visual performance curve 302 in F