Sight loss: a public health priority PT - RNIB

Glaucoma - Disease to the eye, characterized by increased intraocular pressure. ... Progression rate . ... to subtract 7 from 100 and keep subtracting seven from the answer from the previous subtraction until you tell them to stop. Have them do 5 subtractions and then tell them to stop. Score 1 point for each correct subtraction. Note that if a ... ................
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