Skip to contentSkip to Braille Studio

Library / Engineering & Technology / Refraction and muscular imbalance, as simplified through the use of the ski-optometer / Braille

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

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

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

132,413 braille cells · 137 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.