JPH0556131B2 - - Google Patents

Info

Publication number

JPH0556131B2

JPH0556131B2 JP60169174A JP16917485A JPH0556131B2 JP H0556131 B2 JPH0556131 B2 JP H0556131B2 JP 60169174 A JP60169174 A JP 60169174A JP 16917485 A JP16917485 A JP 16917485A JP H0556131 B2 JPH0556131 B2 JP H0556131B2

Authority

JP

Japan

Prior art keywords

optotype

visual acuity

visual

answer

test

Prior art date

1985-07-31

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired - Lifetime

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