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What is Methazolamide and explain in detail?
Methazolamide (trade name Neptazane) is a potent carbonic anhydrase inhibitor. It is indicated in the treatment of increased intraocular pressure (IOP) in chronic open-angle glaucoma and secondary glaucoma. Also it is used preoperatively in acute angle-closure (narrow-angle) glaucoma where lowering the IOP is desired before surgery. 
This drug has displayed teratogenic effects in rats. Compared to another drug in the same class, Acetazolamide, Methazolamide requires a lower dose when administered to patients.

References
Iyer G, Bellantone R, Taft D (1999). "In vitro characterization of the erythrocyte distribution of methazolamide: a model of erythrocyte transport and binding kinetics". J Pharmacokinet Biopharm. 27 (1): 45–66. doi:10.1023/A:1020630712388. PMID 10533697. S2CID 24294348.
RxList. "Neptazane". Archived from the original on August 12, 2006. Retrieved August 20, 2006.
Shirato S, Kagaya F, Suzuki Y, Joukou S (1997)