Abstract
This paper describes equipment for checking and calibrating ophthalmologic refractometers in the form of planoconvex lenses of different thicknesses whose back vertex powers lie in the range from −20 to +20 D. The given lenses and their design features are analyzed, and their indeterminacy is calculated.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
