ArticleBMJ case reports2021
Need of additional iridotomies despite lens extraction in spherophakes.
Article in BMJ case reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 1 institution in 1 country.
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Abstract
Spherophakes are known to have irregular anterior chamber (AC) depths due to their poorly supported zonules. This irregularity leads to an unstable AC, often resulting in angle closure glaucoma from anterior subluxation of globular lenses. A peripheral iridotomy may be helpful to encourage aqueous drainage in initial stages, however, is not often required once lens is extracted. But, we have observed persistent instability of AC in spherophakic eyes despite lens extraction, leading to frequent iridocorneal contact locally over some quadrants. The presumed aetiology in such scenarios could be constant anteroposterior instability of IOL-bag complex due to generalised zonulopathy and hence localised iris bombe in areas with previous iridocorneal contact. Timely identification and performing additional iridotomies during surgery at such sectors even after lens extraction facilitated symmetric deepening of the AC. Hence, we recommend use of additional iridotomies at areas with persistent iridocorneal contact even after lens extraction.
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