Questions tagged [lenses]

Questions about safe use of lenses, good hygiene habits, safety and complications that can occur.

Filter by
Sorted by
Tagged with
2 votes
0 answers

Derivation of the relationship between snellen rows and diopters

The results of converting between rows of a snellen chart and diopters is indicated in the tables at these two links: How to Convert Diopters to 20/20 Vision and Conversion Table for Distance Vision ...
user avatar