The Effect of Levamlodipine in Glucose-Induced Acute Model of Glaucoma in Rabbits
DOI:
https://doi.org/10.3889/oamjms.2021.6440Keywords:
Acute glaucoma, Levamlodipine, Pilocarpine, Glucose, RabbitsAbstract
BACKGROUND: Loss of vision and irreversible blindness are the main consequences of glaucoma. There are two main types of glaucoma: Chronic and acute.
AIM: This work aimed to evaluate the intraocular effect of levamlodipine on the acute model of glaucoma in rabbits.
METHODS: Eighteen white albino rabbits of both sexes weighing about 2 kg. We divided them into three groups (six animals in each group) used in the experiment. We use the right eye to evaluate the effect of the test drug and used the left eye as a control (vehicle only). We used the first group to evaluate levamlodipine (0.25%), the second group to estimate levamlodipine (0.5%), and the third group to assess pilocarpine 2% (positive control). Drugs were administered 30 min before induction.
RESULTS: Glucose (5%) fluid produces a significant intraocular pressure (IOP) elevation after 30 min of administration in the left eye (p ˂ 0.001). Pre-treatment topical administration of levamlodipine (0.25%) prevents the rise in the IOP significantly (p ˂ 0.001) in the right eye when compared to the control group (left eye). Moreover, compared with the eyes of the control group at all stages of the experiment, the topical administration of levamlodipine (0.5%) has a significant preventable effect (p ˂ 0.001), compared with the control group. The IOP of the local pilocarpine (2%) in the third group was significantly decreased (p ˂ 0.001). Finally, compared with levamlodipine (0.5%), pilocarpine has a more significant effect in preventing a rapid increase in intraocular pressure (p ˂ 0.001).
CONCLUSION: Levamlodipine is a promising therapeutic agent for patients vulnerable to acute glaucoma.Downloads
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