Wolfram|Alpha

Computing...

Input interpretation:

right eye corrective lens | spherical | cylindrical | axis\n1.5 | 0.5 | 49


Shortest distance for reading without correction:

1.5 feet


Uncorrected appearance of Snellen chart:

(legible to line 2)


Optical properties:

spherical equivalent refraction (SER) | 1.75 diopters\nfocal length | 1.87 feet

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