Accurate method for measuring oblique astigmatism and oblique power of ophthalmic lenses

Erning Wihardjo; Donald E. Silva

doi:10.1117/12.50480

1 December 1991 Accurate method for measuring oblique astigmatism and oblique power of ophthalmic lenses

Erning Wihardjo, Donald E. Silva

Proceedings Volume 1529, Ophthalmic Lens Design and Fabrication; (1991) https://doi.org/10.1117/12.50480
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

The measurement of oblique astigmatism error and its oblique power of ophthalmic lens under identical conditions of the human visual system--such as the distance from the center rotation of the eye to the back vertex surface of the lens--viewing distance, and lens aperture using a Mach Zehnder interferometer is describe.

Citation Download Citation

Erning Wihardjo and Donald E. Silva "Accurate method for measuring oblique astigmatism and oblique power of ophthalmic lenses", Proc. SPIE 1529, Ophthalmic Lens Design and Fabrication, (1 December 1991); https://doi.org/10.1117/12.50480

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available