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Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

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Schultz-Crock binocular ophthalmoscope.

Ian L McAllister¹, Richard Keeler, Clive Burrows

¹Lions Eye Institute, Center for Ophthalmology and Visual Science, University of Western Australia, Perth, Western Australia, Australia. ianmcallister@lei.org.au

Clinical & Experimental Ophthalmology

|December 13, 2012

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The ophthalmoscope, a vital tool for eye doctors, was invented over 150 years ago. Key improvements by Australians Donald Schultz and Gerald Crock transformed it into an essential instrument for modern ophthalmology.

Area of Science:

Ophthalmology
Medical Instrumentation
Optics

Background:

The ophthalmoscope, crucial for examining the eye's interior, has a history spanning over 150 years.
Early ophthalmoscopes faced challenges in adoption and usability.
The development of the binocular ophthalmoscope marked a significant advancement.

Discussion:

Australians Donald Schultz and Gerald Crock were instrumental in refining ophthalmoscope design.
Their modifications addressed limitations of earlier models, enhancing clinical utility.
These improvements were pivotal in establishing the ophthalmoscope as a standard ophthalmological instrument.

Key Insights:

The ophthalmoscope's evolution from an early invention to an indispensable clinical tool.

Keywords:

Gerald Crock binocular ophthalmoscope

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Last Updated: May 16, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

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Published on: July 21, 2020

The significant contributions of Schultz and Crock to ophthalmoscope technology.

The impact of design improvements on the widespread adoption and routine use of the ophthalmoscope.

Outlook:

Continued innovation in ophthalmoscopy may further enhance diagnostic capabilities.
Understanding the historical development aids in appreciating current medical technology.
The legacy of Schultz and Crock underscores the importance of iterative design in medical devices.