Browsing by Author "Sherpa, D"
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Publication Association between axial length of the eye and primary angle closure glaucoma(Kathmandu University, 2008) Sherpa, D; Badhu, BPAbstract Background: Angle closure glaucoma is emerging as a leading cause of blindness in Asia. Objective: To compare the ocular axial length of normal individuals and the subjects with primary angle closure glaucoma. This study has been conducted to determine axial length of eye as a risk factor of primary angle closure glaucoma. Materials and Methods: A cross-sectional comparative study was carried out in Mechi Eye Care Centre, Jhapa, Nepal including forty eyes of 20 diagnosed cases of primary angle closure glaucoma (40 eyes) and 40 eyes of 20 normal subjects selected by simple random sampling. A complete ocular examination of all the subjects was carried out. Axial length measurement was done using ultrasound A scan. Results: Out of 80 eyes, there were 40 eyes of 20 diagnosed primary angle closure subjects and 40 eyes of 20 normal subjects. The mean axial length and standard deviation of primary angle closure glaucoma were 21.93 + 1.16 mm (95% CI = 21.41 - 22.45) and those of control group were 23.01 + 0.49 (95% CI = 22.79 - 23.23). The axial length of less than 23 mm was found as a risk factor for angle closure glaucoma (Relative risk =3.40; p = 0.0032). Conclusion: This study showed that patients with the axial length of less than 23 mm are at risk to develop primary angle closure glaucoma. This result can be con rmed by doing population based study in a larger sample size. Keywords: Axial length, Primary angle closure glaucoma, NepalPublication Association of primary glaucomas with retinal vein occlusion(Kathmandu University, 2008) Sherpa, D; Shakya, S; Shrestha, JKAbstract Aims and Objectives: To determine the association of Primary glaucoma with retinal vein occlusion. Methodology: A prospective cross-sectional study was carried out in B.P. Koirala Lions Centre for Ophthalmic Studies from April 2002-July 2003. All diagnosed cases of retinal vein occlusion were evaluated in detail for the presence of primary glaucoma. Detailed history was taken. Best corrected visual acuity was recorded, slit-lamp evaluation of anterior segment was performed, intraocular pressure was assessed with the help of applanation tonometer, gonioscopy was done and fundus evaluation was done under full mydriasis. Results: Out of 50 patients, 19 (38%) were central retinal vein occlusion and 31(62%) were branch retinal vein occlusion. Majority of the retinal vein occlusion patients were in the age group of (61-70years) 12 out of 50 patients (24%). There were 12 patients of primary glaucoma in 50 patients of retinal vein occlusion. Out of which 11 patients had primary open angle glaucoma and 1 patient had primary angle closure glaucoma. Conclusion: This study shows association of primary glaucoma as a risk factor of retinal vein occlusion. Evaluation of retinal vein occlusion patients for primary glaucoma would be worthwhile for early detection and prevention of blindness. Keywords: Primary open angel glaucoma (POAG), Primary angle closure glaucoma (PACG), Central retinal vein occlusion (CRVO), Branch retinal vein occlusion (BRVO).