The eye in health and disease : with an account of the optometer, for the adaptation of glasses, for impaired, aged, or defective sight being the substance of lectures delivered at the Central London ophthalmic hospital / by Alfred Smee.

  • Alfred Smee
Date:
1854
Catalogue details

Licence: Public Domain Mark

Credit: The eye in health and disease : with an account of the optometer, for the adaptation of glasses, for impaired, aged, or defective sight being the substance of lectures delivered at the Central London ophthalmic hospital / by Alfred Smee. Source: Wellcome Collection.

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    Inches. •25 •5 •75 I- 25 1-5 1- 75 2- n 2- 25 2-5 2- 75 3- 3- 25 3-5 3- 75 4- 4- 25 4-5 4- 75 5- 5- 25 5-5 5- 75 6- 6- 25 6-5 6f 6- 75 7- 7- 25 7-5 7- 75 8- 8- 25 8-5 8- 75 9- 9- 25 9-5 9-75 10- 10-25 10-5 10- 75 11' II- 25 11- 5 .11-7 12- Focal Di8tance=20. No. 1. Vision nt 2i 10 a Concave. 1 7 2f ... 4t^ 1M 20 ' n Focal Dl8tance=10. No. 2. Vision at fi o TT 4.32. 8f 10 iiaJ. 13JJ- 20 24 31f 41-9- ' 11 60 100 260 a 2*! 2f 4A 4- fi- 5 t;25 5- 2-^ ''a 1 6it 6| 7^ 7H 8^ 8f 9U lOif lOif IIM 12 12ft 13^ 14^ 14if 15f 16A 17^ 18A 20 21A 22 23A 24f 25^ 27-,! H 10 1* 2 3^ 6 Concave. 5 30 1 H H 10 TTET 5 ?i 4 11* 15 20 281 45 95 0 1* 2l 10 Convex. 4f 6f 10 iitV 18 10 4* 4^ 4 3* 3i 0 .. 105 Focal Dl8tance=5. No. 3. Vision at 2i 10 a Convex. 12| 55 13A 381 15 3 30 16f 25 18A 21f 20i§ 19f 23| 173»5 26^ ]6i 30 15 34^ 14t!t 40 13| 471 12t^ 56f 124- 70 nt 90 14 l23i lOi 190 10| 3 0 a 10 a 35 ... 10 ... 6i 5 4^... 3| ... 3A 21 ... 15 2f 12 ... lOx 9 8| 74 6f 9* 8# 2* 2T^r 6 5f •^4 2- 2 4i 44 Focal Distance =24 No. 4. Vision at 2i Convex. It H 0 2H 18 24 10 7^ 2+ 6 a 105 55 38J 30 25 21 19i 174 16i 15 14t^ 12i lU lA 1* lii 13. 27 4^.^ 10 41 12 9 ' ¥1 9^ If iH 3*