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CN-122004734-A - Ophthalmic device

CN122004734ACN 122004734 ACN122004734 ACN 122004734ACN-122004734-A

Abstract

The invention provides an ophthalmic device capable of rapidly obtaining proper inspection results by the operation of an operation part by a subject. The ophthalmic device includes a target presentation unit that presents a target to an eye to be examined and can adjust a presentation form thereof, an increase/decrease operation unit that can perform an increase/decrease operation for increasing/decreasing a numerical value, a control unit that changes the presentation form of the target by the target presentation unit by the increase/decrease operation, and a direction notification unit that notifies an increase/decrease direction of the increase/decrease operation by the increase/decrease operation unit. The control unit sets an operation start value, which is a presentation form of a target predicted to be suitable for the eye to be inspected, as a predicted value, and sets an increase/decrease operation unit as an operation start value, and notifies an operation direction from the operation start value to the predicted value by a direction notification unit.

Inventors

  • NITTA TOMOHIRO

Assignees

  • 株式会社拓普康

Dates

Publication Date
20260512
Application Date
20251021
Priority Date
20241111

Claims (11)

  1. 1. An ophthalmic device comprising a housing, a first lens, a second lens, and a third lens, characterized by comprising: A target presentation unit for presenting a target to an eye to be inspected and adjusting a presentation form of the target, An increasing/decreasing operation unit capable of increasing/decreasing the numerical value, A control unit that changes the appearance of the visual target in the visual target appearance unit by an increase/decrease operation of the increase/decrease operation unit, and A direction notifying unit configured to notify an increasing/decreasing direction of an increasing/decreasing operation of the increasing/decreasing operation unit; The control unit sets an operation start value, which is a presentation form of the visual target predicted to be suitable for the eye to be inspected, as a predicted value, and sets an operation start value, which is a presentation form of the visual target different from the predicted value, sets the increase/decrease operation unit as the operation start value, and notifies an operation direction from the operation start value to the predicted value, by the direction notification unit.
  2. 2. The ophthalmic device of claim 1 wherein the ophthalmic device, The increase/decrease operation unit is a rotation operation unit that increases/decreases the numerical value by a rotation operation.
  3. 3. The ophthalmic device of claim 1 wherein the ophthalmic device, The control unit sets the presentation form of the past optotype suitable for the eye to be inspected as the predicted value.
  4. 4. The ophthalmic device of claim 1 wherein the ophthalmic device, The control unit sets an effective adjustment range which is narrower than a maximum adjustment range which can be adjusted by the increasing/decreasing operation of the increasing/decreasing operation unit, The effective adjustment range includes the predicted value.
  5. 5. The ophthalmic device of claim 1 wherein the ophthalmic device, The device further includes a determination operation unit that determines the operation unit based on the appearance of the visual target indicated by the operation position of the increase/decrease operation unit.
  6. 6. The ophthalmic device of claim 5 wherein the ophthalmic device, Further comprises an operation notification unit for notifying an operation for inspection, When the control unit determines that the increasing/decreasing operation unit is not operated to increase/decrease, the control unit causes the operation notification unit to notify a first notification prompting the increasing/decreasing operation, If it is determined that the determination operation is not performed by the determination operation unit although the increase/decrease operation is performed by the increase/decrease operation unit, the operation notification unit is notified of a second notification prompting the determination operation.
  7. 7. The ophthalmic device of claim 1 wherein the ophthalmic device, The optotype presenting unit includes an optotype display device that displays the optotype, and an optotype unit that displays the optotype displayed by the optotype display device with arbitrary optical characteristics, and adjusts the optical setting of the optotype in the optotype unit to adjust the presentation form of the optotype.
  8. 8. The ophthalmic device of claim 1 wherein the ophthalmic device, The target presenting unit includes a target display device that displays the target and an eye-checking unit that displays the target displayed by the target display device with arbitrary optical characteristics, and adjusts a presentation form of the target by adjusting a posture of the target displayed by the target display device.
  9. 9. A control method performed by a control section of an ophthalmic apparatus, the ophthalmic apparatus having: A target presentation unit for presenting a target to an eye to be inspected and adjusting a presentation form of the target, An increasing/decreasing operation unit capable of increasing/decreasing the numerical value, A control unit that changes the appearance of the visual target in the visual target appearance unit by an increase/decrease operation of the increase/decrease operation unit, and A direction notifying unit configured to notify an increasing/decreasing direction of an increasing/decreasing operation of the increasing/decreasing operation unit; The control method is characterized by comprising the following steps: Setting a presentation form of the optotype predicted to be suitable for the eye to be inspected as a predicted value; An operation start value set as a presentation form of the visual target different from the predicted value, and The increase/decrease operation unit is configured to set the operation start value, and the direction notification unit is configured to notify an operation direction from the operation start value to the predicted value.
  10. 10. The control method according to claim 9, wherein, The optotype presenting unit includes an optotype display device that displays the optotype and an optotype unit that displays the optotype displayed by the optotype display device with arbitrary optical characteristics, Comprising the step of adjusting the appearance of the optotype by adjusting the optical settings of the eye to be inspected in the eye-inspecting unit.
  11. 11. The control method according to claim 9, wherein, The optotype presenting unit includes an optotype display device that displays the optotype and an optotype unit that displays the optotype displayed by the optotype display device with arbitrary optical characteristics, The method includes the step of adjusting the presentation form of the visual target by adjusting the posture of the visual target displayed by the visual target display device.

Description

Ophthalmic device Technical Field The present disclosure relates to an ophthalmic device. Background Conventionally, there is known an ophthalmic apparatus in which a subject can check (examine) the visual function of an eye to be examined by adjusting the visual effect of a visual target presented to the eye to be examined by an operation of the subject (for example, refer to patent document 1). In this ophthalmic apparatus, the subject can obtain a convincing examination result by confirming the visual effect of the visual target that is changed by the operation of the operation unit and adjusting to make the visual target look most appropriate. Prior art literature Patent literature Patent document 1 Japanese patent laid-open No. 2009-82581 Disclosure of Invention Problems to be solved by the invention However, in the above-described ophthalmic apparatus, there is a difference in time required for the above-described selection or an appropriate degree thereof based on the habit of the subject, the knowledge of the examination, and the like. The present disclosure has been made in view of the above-described circumstances, and an object thereof is to provide an ophthalmic apparatus capable of promptly obtaining an appropriate inspection result by an operation of an operation unit by a subject. Means for solving the problems In order to solve the above-described problems, the ophthalmologic apparatus of the present disclosure includes a target presenting unit that presents a target to an eye to be inspected, and is capable of adjusting a presentation form of the target, an increasing/decreasing operation unit that is capable of increasing/decreasing a numerical value, a control unit that changes the presentation form of the target by increasing/decreasing the increasing/decreasing operation unit, and a direction notifying unit that notifies an increasing/decreasing direction of the increasing/decreasing operation unit, wherein the control unit sets an operation start value that is a presentation form of the target predicted to be suitable for the eye to be inspected as a predicted value, and sets the increasing/decreasing operation unit as the operation start value, and notifies an operation direction from the operation start value to the predicted value by the direction notifying unit. ADVANTAGEOUS EFFECTS OF INVENTION According to the ophthalmic device of the present disclosure, an appropriate examination result can be obtained promptly by the operation of the operation portion by the subject. Drawings Fig. 1 is an explanatory diagram showing an ophthalmic device of embodiment 1 as one example of the ophthalmic device of the present disclosure. Fig. 2 is an explanatory diagram showing a controller as one example of the ophthalmic apparatus. Fig. 3 is a flowchart showing a flow of sequential eye-checking processing performed by the control unit of embodiment 1. Fig. 4 is an explanatory diagram showing a predicted value, an operation start value, a maximum adjustment range, an operation direction, and an effective adjustment range in a rotation operation of the rotation operation unit. Fig. 5 is a flowchart showing a flow of the self-test processing performed by the control unit of embodiment 1. Description of the reference numerals An ophthalmic apparatus 12, a visual target display device 14 as an example of a visual target presenting part, a control part 21, an eye examination unit 25 as an example of a visual target presenting part, a visual target 33, a rotary operation part 34 as an example of an increasing/decreasing operation part, a decision operation part 35, a voice output part as an example of a direction notifying part, do, an operation direction, re, an effective adjustment range, rm, a maximum adjustment range, vp, a predicted value, and Vs, an operation start value. Detailed Description Hereinafter, an embodiment of the ophthalmic device of the present disclosure is described with reference to fig. 1 to 5. In fig. 4, the predicted value Vp, the operation start value Vs, the maximum adjustment range Rm, the operation direction Do, and the effective adjustment range Re are superimposed and shown on the rotation operation unit 33, but these are simplified for easy understanding, and Do not necessarily match the actual situation. Embodiment 1 The ophthalmic device 10 of embodiment 1 of the present disclosure is one example of a subjective system ophthalmic device that performs subjective eye examination of an eye to be examined. The ophthalmic apparatus 10 can perform a subjective eye examination (subjective eye examination) that presents various targets 25 to the subject S and examines visual functions based on responses from the subject S related to visual effects thereof. The ophthalmic apparatus 10 according to embodiment 1 is capable of performing inspection and correction of visual functions of the subject S with both eyes open, masking the single eye, inspecting the single eye one by one