PURPOSE: To study factors affecting laser energy levels required for neodymium: yttrium @entity5715 garnet (Nd: YAG) laser capsulotomy and to evaluate whether any correlation exists between applied laser energy levels and complications. METHODS: The present study examined 474 consecutive @entity1 for a number of factors including age, type of @entity3236 ( @entity3236 ), material and fixation of @entity2790 ( @entity2790 ) and complication rates, versus energy levels used for Nd: YAG laser capsulotomy. RESULTS: Mean @entity1 age was 55.6    8.7 years and mean follow up period was 22.9    4.5 months. @entity2790 biomaterial (KW ANOVA; P = 0.173) and @entity1 's age (P = 0.246) did not significantly influence total laser energy requirement for capsulotomy. However, total laser energy levels were significantly higher (KW ANOVA; P < 0.001) with fibro-membranous and fibrous subtypes of @entity3236 . Complications such as @entity2790 pitting, intraocular pressure (IOP) elevation, @entity1596 , @entity1713 ( @entity1713 ) and @entity1103 ( @entity1103 ) were significantly more common when higher energy levels was used. The mean total energy in @entity1 with @entity1713 was 77.7    17.7 mJ as compared to 43.4    26.9 mJ in the rest of the cohort. @entity1713 was more common in @entity1 with higher axial length [n = 7 (63%)] (P < 0.001). CONCLUSION: Type of @entity3236 significantly influenced laser energy levels required for capsulotomy, whereas @entity2790 biomaterial and fixation did not. Complications such as @entity2790 pitting, @entity1596 , IOP elevation, @entity1713 and @entity1103 was significantly more common when total laser energy was higher. It is recommended that the lowest possible single pulse laser energy be used for capsulotomy to minimize complications.

Neodymium-yttrium XXXX garnet laser capsulotomy energy levels for @entity3236 .

@entity1 :: ('9606', 'Species') :: ['patients', 'patient'] @entity1713 :: ('MESH:D012163', 'Disease') :: ['RD', 'retinal detachment'] @entity1596 :: ('MESH:D014605', 'Disease') :: ['uveitis'] @entity1103 :: ('MESH:D008269', 'Disease') :: ['cystoid macular edema', 'CME'] @entity2790 :: ('MESH:D009798', 'Disease') :: ['IOL', 'intraocular lens'] @entity3236 :: ('MESH:D058442', 'Disease') :: ['posterior capsule opacification', 'PCO'] @entity5715 :: ('CHEBI:28984', 'Chemical') :: ['aluminium']
@entity5715 :: (CHEBI:28984,Chemical) :: ['aluminium']
