Snellen letter chart on white plastic

Catalogue Number: 2781
Snellen letter chart on white plastic
Category: Equipment
Sub-Category: Visual Acuity, Contrast sensitivity tests
Time Period: 1940 to 1999
Description Of Item: Conventional Snellen letter chart on white diffusing plastic sheet, 200 x 480 mm, for measuring visual acuity at 6 metres, 8 rows of letters with size range from 6/5 to 6/60 as indicated with numbers on each row.
Historical Significance: This is a conventional Snellen chart of unknown origin and date designed to be hung on a wall (although there is no hole for this) or in a test chart array trans-illuminated from behind
Condition: Good
Location: Archive room. West wall. Unit 4 Drawer 3

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