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Purpose: To assess intraocular pressure changes after phacoemulsification and its correlation with various intra ocular parameters in angle closure patients Materials and Methods: We studied correlation of various ocular parameters with angle closure and change in intraocular pressure following phacoemulsification in patients aged 55-95 years with IOP>22 mm Hg on 2 or more occasions with angle closure on gonioscopy and cataract Results: There were 35 angle-closure patients with cataract. Mean age was 73.37±7.42 years out of which 37.15% were male and 62.85% were females, ,60% had myopia, we found a negative correlation with anterior chamber depth (r=-0.468). We also found a positive correlation with, central corneal thickness (r=0.259) and lens thickness (r=0.064) Pre operative mean IOP was 27.60±6.03 while post operatively at 1 week, 2 week, 4 week,6 weeks,3 months was 13.69±2.88,12.23±2.70,12.56±2.51,12.11±2.42 at and 12.40±2.74 respectively .Pre operative gonioscopy scoring was 2.63±1.416 while post operatively at 6 weeks and 3 months was 13.29±1.545 and 13.71±1.416 respectively. Only one patient required antiglaucoma medications post operatively. Conclusion: Phacoemulsification cataract surgery leads to significant decrease in IOP and increase in ACD in cataract patients with angle closure with peripheral anterior synechiae <180 degrees. Thick crystalline lens leads to angle closure through reduction of ACD and narrowing of angle. Thus cataract surgery may be a safe alternative to glaucoma surgery in angle closure patients and could shift the surgeon’s approach in treatment of concurrent cataract and glaucoma.

Changes in various ocular parameters in primary angle closure patients with cataract following phacoemulsification