Biomedical subjects
Publications and source records attributed to R L Kaul.
A rare case is reported of a 49-year-old myopic patient who developed sympathetic ophthalmitis simulating Vogt-Koyanagi-Harada's disease following successful retinal detachment surgery, who showed satisfactory response to systemic and subconjunctival steroids and was saved from permanent blindness.
Observations based on a clinical and experimental study of the effect of hair dye (paraphenylenediamine) on the lens are reported. Two hundred individuals of either sex using hair dye were examined in detail and lenticular changes were found in 89% while only 23% in controls. The lenticular changes were related to duration, amount, and individual sensitivity to dye. Various types of lenticular opacities encountered are mentioned. In addition some individuals (7%) were found to develop early presbyopia. Experimental study which was conducted in rats and rabbits confirmed the cataractogenic effect of hair dye beyond doubt. It is concluded that hair dye is potentially toxic to the human lens.
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Surgical results in 30 cases of traumatic cataracts using mainly aspiration and extraction techniques are reported. A corrected visual acuity of 6/12 or better was achieved in 64.3% of cases. Three eyes had light perception only. Early surgery using aspiration technique followed by contact lens correction is recommended for traumatic cataracts.