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domiciliary eyechart
TEST CHARTS
test chart
Keeler
Europe: United Kingdom
c.1970
paper; plastic
overall (open): 476 mm x 226 mm
1999.3277
TEST CHARTS
test chart
Keeler
Europe: United Kingdom
c.1970
paper; plastic
overall (open): 476 mm x 226 mm
Test card comprising three laminated double-sided cards hinged with red and green plastic beads. Obverse: Graduated letters from size 60 to 4. Some inscription obscured by museum label. Reverse: Astigmatism chart D=36 and mirror writing letters from sizes 24 to 4. Brown hanging cord.
1999.3277