Glaucoma may be classified according to different aspects. Mainly:
According to the age of the patient:
- Congenital and developmental (from birth to 10 years) – Congenital glaucoma
- Juvenile (10 years to 35 years) – Juvenile glaucoma
- Adult (after 35 years)
According to the cause:
- Primary: Non-identifiable cause, occurs in susceptible individuals.
- Secondary: occurs due to other causes such as after trauma, drugs, other ocular diseases, intraocular surgeries, etc. – Secondary glaucoma