How long does it take to read Duke-Elder's Practice of Refraction?
David Abrams
Duke-Elder's Practice of Refraction by David Abrams takes about 5 hours 31 minutes to read at 250 words a minute.
About 5 hours 31 minutes
A weekend read
First published 1993. 301 pages, about 82,775 words.
12 days at 30 minutes a day
Estimate based on 275 words per page.
At other speeds
| Slow, 150 words a minute | 9 hours 12 minutes |
| Average, 250 words a minute | 5 hours 31 minutes |
| Fast, 400 words a minute | 3 hours 27 minutes |
The page count is the median across 1 edition, so your copy may differ. How we calculate.
Subjects: Accommodation and refraction, Eye, Eyeglasses, Ocular Refraction, Eye, accommodation and refraction
