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Refraction and muscular imbalance, as simplified through the use of the ski-optometer ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

153,786 braille cells · 161 embossed pages at 40×25 · 827 unrepresentable characters omitted

⠀⠏⠓⠕⠗⠕⠍⠑⠞⠑⠗⠀⠀⠓⠁⠝⠙⠇⠑⠲⠀⠠⠎⠓⠕⠥⠇⠙⠀⠞⠓⠑⠀
⠗⠑⠋⠗⠁⠉⠞⠊⠕⠝⠊⠎⠞⠀⠗⠕⠞⠁⠞⠑⠀⠞⠓⠑⠀⠓⠁⠝⠙⠇⠑⠀⠊⠝⠀⠁⠀
⠙⠊⠗⠑⠉⠞⠊⠕⠝⠀⠀⠕⠏⠏⠕⠎⠊⠝⠛⠀⠞⠓⠁⠞⠀⠕⠋⠀⠞⠓⠑⠀⠑⠭⠊⠎⠞⠊⠝⠛
⠀⠊⠍⠃⠁⠇⠁⠝⠉⠑⠂⠀⠞⠓⠑⠀⠇⠊⠛⠓⠞⠀⠺⠊⠇⠇⠀⠃⠑⠀⠞⠁⠅⠑⠝⠀⠀
⠋⠥⠗⠞⠓⠑⠗⠀⠁⠺⠁⠽⠀⠋⠗⠕⠍⠀⠞⠓⠑⠀⠎⠞⠗⠑⠁⠅⠂⠀⠊⠝⠙⠊⠉⠁⠞⠊⠝⠛
⠀⠞⠓⠁⠞⠀⠞⠓⠑⠀⠗⠕⠞⠁⠞⠊⠕⠝⠀⠕⠋⠀⠞⠓⠑⠀⠀⠏⠗⠊⠎⠍⠎⠀⠎⠓⠕⠥⠇⠙
⠀⠃⠑⠀⠗⠑⠧⠑⠗⠎⠑⠙⠲⠀⠀⠀⠀⠠⠊⠇⠇⠥⠎⠞⠗⠁⠞⠊⠕⠝⠒⠀⠠⠋⠊⠛⠲⠀
⠼⠁⠊⠤⠤⠠⠞⠓⠑⠀⠏⠓⠕⠗⠕⠍⠑⠞⠑⠗⠀⠓⠁⠝⠙⠇⠑⠀⠏⠇⠁⠉⠑⠙⠀
⠓⠕⠗⠊⠵⠕⠝⠞⠁⠇⠇⠽⠀⠀⠙⠑⠝⠕⠞⠑⠎⠀⠓⠕⠗⠊⠵⠕⠝⠞⠁⠇⠀⠍⠥⠎⠉⠇⠑⠎
⠀⠁⠗⠑⠀⠥⠝⠙⠑⠗⠛⠕⠊⠝⠛⠀⠞⠑⠎⠞⠀⠋⠕⠗⠀⠑⠎⠕⠏⠓⠕⠗⠊⠁⠀⠕⠗⠀⠀
⠑⠭⠕⠏⠓⠕⠗⠊⠁⠀⠊⠝⠙⠊⠉⠁⠞⠑⠙⠀⠃⠽⠀⠦⠠⠑⠎⠲⠴⠀⠕⠗⠀⠦⠠⠑⠭⠲⠴⠀
⠠⠁⠞⠀⠞⠓⠑⠀⠏⠕⠊⠝⠞⠀⠕⠋⠀⠃⠊⠎⠑⠉⠞⠊⠕⠝⠀⠶⠠⠋⠊⠛⠲⠀⠼⠃⠚⠶⠂⠀
⠞⠓⠑⠀⠏⠓⠕⠗⠕⠍⠑⠞⠑⠗⠀⠺⠊⠇⠇⠀⠊⠝⠙⠊⠉⠁⠞⠑⠀⠕⠝⠀⠀⠞⠓⠑⠀
⠺⠓⠊⠞⠑⠀⠎⠉⠁⠇⠑⠀⠺⠓⠑⠞⠓⠑⠗⠀⠞⠓⠑⠀⠉⠁⠎⠑⠀⠊⠎⠀
⠑⠎⠕⠏⠓⠕⠗⠊⠁⠀⠕⠗⠀⠑⠭⠕⠏⠓⠕⠗⠊⠁⠀⠁⠝⠙⠀⠞⠕⠀⠺⠓⠁⠞⠀⠀
⠁⠍⠕⠥⠝⠞⠲⠀⠠⠊⠝⠀⠞⠑⠎⠞⠊⠝⠛⠀⠑⠎⠕⠏⠓⠕⠗⠊⠁⠀⠶⠠⠠⠑⠎⠶⠀⠕⠗⠀
⠑⠭⠕⠏⠓⠕⠗⠊⠁⠀⠶⠠⠠⠑⠭⠶⠂⠀⠞⠓⠑⠀⠺⠓⠊⠞⠑⠀⠎⠉⠁⠇⠑⠀⠊⠎⠀⠀
⠁⠇⠕⠝⠑⠀⠑⠍⠏⠇⠕⠽⠑⠙⠂⠀⠝⠕⠀⠁⠞⠞⠑⠝⠞⠊⠕⠝⠀⠃⠑⠊⠝⠛⠀⠛⠊⠧⠑⠝
⠀⠞⠕⠀⠞⠓⠑⠀⠗⠑⠙⠀⠎⠉⠁⠇⠑⠲⠀⠀⠀⠀⠠⠊⠇⠇⠥⠎⠞⠗⠁⠞⠊⠕⠝⠒⠀
⠠⠋⠊⠛⠲⠀⠼⠃⠚⠤⠤⠠⠞⠓⠑⠀⠧⠑⠗⠞⠊⠉⠁⠇⠀⠎⠞⠗⠑⠁⠅⠀
⠃⠊⠎⠑⠉⠞⠊⠝⠛⠀⠍⠥⠎⠉⠇⠑⠀⠞⠑⠎⠞⠊⠝⠛⠀⠀⠎⠏⠕⠞⠤⠇⠊⠛⠓⠞⠀⠋⠕⠗
⠀⠓⠕⠗⠊⠵⠕⠝⠞⠁⠇⠀⠊⠍⠃⠁⠇⠁⠝⠉⠑⠂⠀⠁⠎⠀⠏⠁⠞⠊⠑⠝⠞⠀⠎⠓⠕⠥⠇⠙
⠀⠎⠑⠑⠀⠊⠞⠲⠀⠀⠀⠀⠀⠀⠠⠠⠍⠁⠅⠊⠝⠛⠀⠠⠠⠍⠥⠎⠉⠇⠑⠀⠠⠠⠞⠑⠎⠞⠀
⠠⠠⠃⠑⠋⠕⠗⠑⠀⠠⠠⠁⠝⠙⠀⠠⠠⠁⠋⠞⠑⠗⠀⠠⠠⠕⠏⠞⠊⠉⠁⠇⠀
⠠⠠⠉⠕⠗⠗⠑⠉⠞⠊⠕⠝⠀⠀⠀⠀⠠⠊⠞⠀⠊⠎⠀⠉⠕⠝⠎⠊⠙⠑⠗⠑⠙⠀⠃⠑⠎⠞⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.