1. (+2.00) (-2.00) 090 2. (-1.25) (+1.00) 012 3. (plano) (0.25) 95 4. Sphere lines... How do I write prescriptions for lensometer readings?

1. (+2.00) (-2.00) 090
2. (-1.25) (+1.00) 012
3. (plano) (0.25) 95
4. Sphere lines read: -4.00 Cylinder lines read: -4.50 Axis drum: 090
Answers:   +2.00 -4.00 x 90

-1.25 +2.25 x 12

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-4.00 -.50 x 95
+2.00 - 2.00 x 090
-1.25 + 1.00 x 012

Plano + or - 0.25 (you didn't say if it was + or -) x 095
-4.00 -4.50 x 090

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