1. Diagnosis of primary congenital glaucoma (PCG).
2. Underwent goniotomy (GT) of varying extents and grouped by surgical records (120° or 240°or 360°).
3. Either gender; no age limit at surgery.
4. Voluntary participation, signed informed consent, and compliance with scheduled follow-up. For legally incompetent patients, participation shall be decided by their guardians, who shall provide written informed consent and agree to follow-up.
5. Both eyes are included if data are available for both eyes.
You may not be if
1. Concomitant other ocular diseases: including but not limited to diabetic retinopathy, macular degeneration, optic neuropathy, ocular trauma, strabismus, nystagmus, severe dry eye disease, blepharoptosis, or other anterior segment developmental abnormalities.
2. The study eye treated with goniotomy (GT) has a history of prior intraocular surgery or ocular trauma.
3. Concomitant history of severe systemic diseases: including but not limited to asthma, congenital heart disease, Kawasaki disease, nephropathy, rheumatic and immunologic disorders, digestive system diseases, and malignant neoplasms.
4. Women who are pregnant or lactating, or those with an intended pregnancy in the near future.
