Initial treatment of buphthalmos is -
In Buphthalmos medications are not effective and so treatment is primarily surgical. Incisional angle surgery by goniotomy or trabeculectomy Ref:Comprehensive ophthalmology-AK Khurana 6th edition chapter-10 page no:227
Laser trabeculolasty
Goniotomy
Topical pilocarpine
Carbonic anhydrase inhibitors
Glaucoma