Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Heston and Isleworth]
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It is not practicable to test in this way the Entrants, but this has been done where it was deemed urgently necessary:—
Vision. | Entrants. | Intermediates. | Leavers. | Total. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Boys. | Girls. | Total. | Percentage | Boys. | Girls. | Total. | Percentage | Boys. | Girls. | Total | Percentage. | Boys. | Girls. | Total. | Percentage. | |
6/6 each eye (normal vision) | ... | ... | ... | ... | 212 | 214 | 426 | 69 | 228 | 190 | 418 | 67 | 440 | 4°4 | 844 | 68 |
6/6 R | ... | ... | ... | ... | 23 | 31 | 54 | 8 | 23 | 28 | 51 | 8 | 46 | 59 | 105 | 8 |
6/6 L | ... | ... | ... | ... | 16 | 16 | 32 | 5 | 22 | 21 | 43 | 7 | 38 | 37 | 75 | 6 |
6/9 R | ... | ... | ... | ... | 33 | 47 | 80 | 13 | 43 | 38 | 81 | 13 | 76 | 85 | 161 | 13 |
6/9 L | ... | ... | ... | ... | 45 | 49 | 94 | 15 | 39 | 38 | 77 | 12 | 84 | 87 | 171 | 14 |
6/12 R | ... | ... | ... | ... | 12 | 12 | 24 | 4 | 12 | 15 | 27 | 4 | 24 | 27 | 51 | 4 |
6/12 L | ... | ... | ... | ... | 13 | 17 | 30 | 5 | 17 | 19 | 36 | 6 | 30 | 36 | 66 | 5 |
6/18 R | ... | ... | ... | ... | 12 | 10 | 22 | 4 | 7 | 7 | 14 | 2 | 19 | 17 | 36 | 3 |
6/18 L | ... | ... | ... | ... | 7 | 11 | 18 | 3 | 12 | 10 | 22 | 3 | 19 | 21 | 40 | 3 |
6/24 R | ... | ... | ... | ... | 4 | 1 | 5 | 1 | 4 | 11 | 15 | 2 | 8 | 12 | 20 | 2 |
6/24 L | ... | ... | ... | ... | 1 | 6 | 7 | 1 | 2 | 13 | 15 | 2 | 3 | 19 | 22 | 2 |
6/36 R | ... | ... | ... | ... | 2 | ... | 2 | ... | 6 | 3 | 9 | 1 | 8 | 3 | 11 | 1 |
6/36 L | ... | ... | ... | ... | ... | 3 | 3 | ... | 3 | 3 | 6 | 1 | 3 | 6 | 9 | 1 |
6/60 R | ... | ... | ... | ... | ... | 3 | 3 | ... | 1 | 3 | 4 | ... | 1 | 6 | 7 | ... |
6/60 L | ... | ... | ... | ... | 2 | 2 | 4 | ... | ... | 2 | 2 | ... | 2 | 4 | 6 | ... |
6/0 R | ... | ... | ... | ... | 2 | ... | 2 | ... | 1 | 1 | 2 | ... | 3 | 1 | 4 | ... |
6/0 L | ... | ... | ... | ... | 2 | ... | 2 | ... | 2 | ... | 2 | ... | 4 | ... | 4 | ... |
Squint | 3 | 3 | 6 | ... | 7 | 7 | 14 | 2 | 9 | 4 | 10 | 2 | 16 | 14 | 30 | 2 |
(Special cases:—Defective Vision, 31).