Bhavani, V K (2013) Comparative study of anterior chamber depth pre and post prophylactic laser iridotomy in angle closure suspects. Masters thesis, Coimbatore Medical College, Coimbatore.
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Abstract
Individuals aged above 40 years and females are at more risk for the angle closure disease. • Ocular risk factors for angle closure are hyperopia, short axial length and shallow anterior chamber depth. • Van Herick's method although subjective is reliable when done by experienced person. The peripheral anterior chamber depth shows an increase following laser iridotomy. • Gonioscopy is reliable and equally effective in grading the anterior chamber angle and aids in identifying those at risk of angle closure. • Ultrasound biomicroscopy can measure the exact central anterior chamber depth. There is only a minimal increase in the central anterior chamber depth following peripheral iridotomy. • With a 50 MHz UBM, a quantitative assessment of the iris curvature and degree of angle opening can be identified.It can also be used to find the trabecular iris angle, trabecular-ciliary process distance, iris-ciliary process distance and iris-lens contact distance which can help in detailed evaluation of the anterior chamber angle. • Laser peripheral iridotomy proves to be a boon for the eyes with angle closure disease in its early stages. • Since visual loss resulting from PACG is potentially preventable, careful surveillance for risk factors of angle closure, widespread use of gonioscopy to identify occludable angles and peripheral iridotomy performed at an early stage can reduce the morbidity resulting from PACG. CONCLUSION: Van Herick’s method is useful in primary screening of the peripheral anterior chamber depth. • Gonioscopy helps in identifying angle closure suspects. • UBM helps in the exact measurement of central anterior chamber depth. • Laser peripheral iridotomy prevents angle closure in angle closure suspects.
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | Anterior chamber depth, Pre and post prophylactic laser iridotomy, Angle closure suspects. |
| Subjects: | MEDICAL > Ophthalmology |
| Depositing User: | Subramani R |
| Date Deposited: | 18 Jun 2020 12:19 |
| Last Modified: | 18 Jun 2020 12:19 |
| URI: | http://repository-tnmgrmu.ac.in/id/eprint/12496 |
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