Background: Pterygium is a fibrovascular conjunctival growth within the palpebral fissure extending onto the corneal surface. Recurrence is a common post-op complication of pterygium excision surgery, with various rates depending on the techniques used for its excision. Objective: Comparison of conjunctival autograft versus bare sclera technique as treatment modalities for primary pterygium. Material & Methods: This study was done in the Department of Ophthalmology of tertiary care hospital. In a prospective randomized controlled trial a sample size of 102 eyes with primary pterygium were allocated into two equally sized groups (51 patients in each): Group A underwent pterygium excision by bare sclera method, Group B underwent pterygium excision followed by conjuctival autograft. Both groups were analyzed and compared, for recurrence and complications with a mean follow-up time of 3 months. Result: Pterygium recurrence was detected in 16 (31.37%) patients using bare sclera technique (group A) and in 4 (7.84%) patients using conjuctival autograft technique (group B), that reveal a statistically significant difference (p = 0.003) Conclusion: Both surgical techniques are effective for pterygium excision but there is a statistically significant difference (p = 0.003) of pterygium recurrence between both techinques. Pterygium excision with conjuctival autograft should opt for better results in terms of recurrence as well as other complications. Bare sclera technique can be opted for preserving conjunctiva in case of glaucoma or scaring but at the expense of pterygium recurrences. Keywords: Pterygium, conjunctival autograft technique, bare sclera, recurrence.
Background: The optic nerve damage with the ultimate loss of vision resulting from a clutch of diseases named Glaucoma. In many conditions including, corneal dystrophies, corneal edema, and endothelial diseases of the cornea, the important biometric is Central corneal thickness (CCT). Objective: To find the difference in mean CCT with spectral-domain optical coherence tomography and ultrasound pachymetry in patients presenting with Glaucoma. Material & Methods: The study design opted was the observational cross-section. The study was done in tertiary care hospital. A total of 180 patients were registered for the present study. Both techniques noted the CCT value of all patients. Once the data was collected, it was stored electronically and analyzed by using SPSS version 20.0. Results: 40.00±11.50 years was the average age of all the patients. There were 89(49.44%) males and 91(50.56%) females. The mean CCT was 531.01±28.54µm on OCT and 530.01±29.74µm on USP. The mean difference in CCT was 3.93±3.13µm between OCT & USP. The difference was statistically insignificant (p<0.05). Conclusion: There is a statistically insignificant difference between the mean CCT with USP and spectral domain OCT patients presenting with Glaucoma. Keywords: Glaucoma, Optical Coherence Tomography, Central Corneal Thickness.
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