Aim This paper describes the experience at a district general hospital of coping with an abrupt onset of calcification of Hydroview intraocular lens (IOL) implants requiring exchange surgery mostly for symptoms of glare, even though the visual acuities were relatively good. Methods In this retrospective study, the operative details of 174 consecutive lens exchanges by one surgeon were retrieved from the surgeon's notes. Of these, pre and postoperative details of 106 consecutive patients were obtained from the hospital notes. Results Of the 174 lens exchanges, all were sutureless except one and 31 eyes (18%) had had previous capsulotomies. Of 143 eyes with intact posterior capsules, eight (5.6%) needed anterior vitrectomy. Lens replacements were in the bag in 136 (95%), in the sulcus in five (3.5%), and in the anterior chamber in two (1.5%). Of the 31 eyes with previous capsulotomies, 10 (32%) needed anterior vitrectomy. Lens replacements were in the bag in 22 (71%) and in the sulcus in the remaining nine cases (29%). Postoperatively the bestcorrected visual acuity was improved in 53%, remained the same in 35%, and deteriorated in 12%. Conclusion The lens exchange procedure was mostly predictable with satisfactory visual results allowing preoperative counselling of risks to be similar to that for cataract surgery. The onset and resolution of the period of implantation of lenses requiring exchange has not been explained.
A 42‐year‐old man presented with a three‐day history of progressive bilateral blurred vision, photophobia and headaches. There was no history of trauma. He was emmetropic with visual acuity of 6/60 (pinhole 6/24) in both eyes, no ptosis and full range of eye movements. His pupils were in fixed mydriasis. The pupils were unreactive to light or accommodation. His optic discs and fundi were normal. Pilocarpine failed to constrict his pupils. Initially, he strongly denied using any topical ocular medications but later remembered that 10 days previously his eyes had felt ‘gritty’ and his wife had instilled their son’s old atropine penalisation drops into both his eyes. His signs and symptoms had resolved over the next two days.
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