Transactions . re-fore have to depend on testimony; but as she lived in thesame small town as her married sister, No. 3, who hascolour-blind sons, and as the sisters often saw each other,there can be no doubt as to the facts. No. 3 (Mrs. P—) has good colour-vision for both Holm-grens and Edridge-Greens wools. She has four sons andthree daughters. Two of the four sons we examined andfound colour-blind, and the eldest son who died ;ii tour- tasks OF COLOUR BLINDNESS IN WOMEN, £55 teen is known to have been so. One son (the youngest)and the three daughters were examined and foundnormal. It is als
Transactions . re-fore have to depend on testimony; but as she lived in thesame small town as her married sister, No. 3, who hascolour-blind sons, and as the sisters often saw each other,there can be no doubt as to the facts. No. 3 (Mrs. P—) has good colour-vision for both Holm-grens and Edridge-Greens wools. She has four sons andthree daughters. Two of the four sons we examined andfound colour-blind, and the eldest son who died ;ii tour- tasks OF COLOUR BLINDNESS IN WOMEN, £55 teen is known to have been so. One son (the youngest)and the three daughters were examined and foundnormal. It is also known that one son of No. 4, anotherBister of No. 2, is colour-blind. Cask 3.—In March, 1888, I saw a little boy, ret. 8(Fig. 32, in. No. 14) for some trivial symptoms (vol. xvi,]». 28). His uncle, a medical man, told me that therewas colour-blindness in the family, and on testing thechild Ave found that he could hardly distinguish betweenred and green. Subsequently the boys father sent me Fig. 32. H. m. 5 789 II what he knew of the family history. The boys mother(n. 12) was colour-blind, being unable to distinguish redon a green ground. Two of her brothers (n. 8 and 10)and her father (i. 2) were also colour-blind. So far ascould be ascertained none of the four sisters of n. 12were colour-blind, but the eldest son (in. 1) of theeldest of them (in.) is so. It is noteworthy that the defectin the two brothers (it. 8 and 10) is said to have beenmuch worse than in the sister (n. 12). Case 4.—Miss S—, set. 22, came for slight asthenopicsymptoms in .March. 1895 (vol. xv, p. 83). Her sisterwho accompanied her told me spontaneously that thepatient was colour-blind. The patient knew of thedefect, but was very reticent, greatly disliked -peaking 256 MISCELLANEOUS. of it, and only when pressed admitted that she had mademistakes in matching colours, especially blues and allowed me to make an incomplete examination. Ifound that she matched Holmgrens pale green (Test 1)
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Keywords: ., bookcentury1800, bookdecade1880, bookpu, booksubjectophthalmology
