Telescopic ocular refraction test apparatus, system, and method
AssigneeDr Rp Holdings, LLC
InventorWilliam Vincent Padula, II
Life of this patent
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Abstract
A telescopic ocular refraction test system includes a display that displays a vision testing image. The system includes a telescope configured to be positioned in front of an eye of a patient for viewing the vision testing image through the telescope. The system also includes a control system that determines a vision correction parameter based on a position of a focus adjustment device that focuses the telescope.
Claims48
An ocular refraction test system comprising:
- a display that displays a vision testing image;
- a telescope configured to be positioned in front of an eye of a patient for viewing the vision testing image through the telescope;
- and
- a control system that determines a vision correction parameter based on a position of a focus adjustment device that focuses the telescope;
- wherein the vision correction parameter is at least one parameter selected from the group consisting of sphere power, cylinder power, and cylinder axis.
An ocular refraction test method comprising:
- adjusting a focus of a telescope through which a vision testing image is visible to a patient by moving a focus adjustment device of the telescope to a position at which the vision testing image is in focus to the patient;
- and
- determining a vision correction parameter for the patient based on the position of the focus adjustment device;
- wherein the vision correction parameter is at least one parameter selected from the group consisting of sphere power, cylinder power, and cylinder axis.
An ocular refraction test system comprising:
- a telescope with a first end housing an eyepiece and a second end housing an objective lens;
- a focus adjustment device that changes a distance between the eyepiece and objective lens to focus the telescope;
- and
- a control system that converts a position of the focus adjustment device to a vision correction parameter for a patient that views a vision testing image through the telescope;
- wherein the vision correction parameter is at least one parameter selected from the group consisting of sphere power, cylinder power, and cylinder axis.
An ocular refraction test system comprising:
- a display that displays a vision testing image;
- a telescope configured to be positioned in front of an eye of a patient for viewing the vision testing image through the telescope;
- and
- a control system that determines a vision correction parameter based on a position of a focus adjustment device that focuses the telescope;
- wherein the control system controls the position of the focus adjustment device in response to patient input and calculates a vision correction prescription for the patient based on the position at which the patient input corresponds to the patient having a highest acuity view of the vision testing image.
An ocular refraction test system comprising:
- a telescope with a first end housing an eyepiece and a second end housing an objective lens;
- a focus adjustment device that changes a distance between the eyepiece and objective lens to focus the telescope;
- and
- a control system that converts a position of the focus adjustment device to a vision correction parameter for a patient that views a vision testing image through the telescope;
- wherein the control system controls the position of the focus adjustment device in response to patient input and calculates a vision correction prescription for the patient based on the position at which the patient input corresponds to the patient having a highest acuity view of the vision testing image.
Dependencies are inferred from the claim text.