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How does the prism compensator improve accuracy
The result is +1
training eye is adjusted to 0 and distance and base lens chosen according to the following table:
Can the mount be attached to existing equipment
it is suitable for use in hospitals
Lea Symbols With Flash Cards Autoclaves How does the prism compensatorLea Symbols Near Vision test with flash cards This set of flash cards was designed for testing distance visual acuity in children and adults who have difficulty with visual acuity charts, the Crowded Symbol Book Test, or the Single Symbol Book Test.
