optotypes

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Hand-held glasses, view of the Snellen chart. Blue background Royalty Free Stock Photo

Background with Opticians theme. Royalty Free Stock Photo

Landolt C broken ring optotypes or Japanese vision test in various sizes and orientations, an eye chart used for testing vision

Eye and Vision Chart Royalty Free Stock Photo

Snellen Eye chart Royalty Free Stock Photo

Landolt C broken ring optotypes or Japanese vision test in various sizes and orientations, an eye chart used for testing vision and visual acuity used by health care professionals, selective focus