Glaucoma (青光眼) is a serious eye condition that can lead to permanent vision loss if not detected early. This disease damages the optic nerve, usually due to increased pressure inside the eye. Many people with glaucoma are unaware they have it because symptoms often appear gradually. Causes and Risk Factors Glaucoma can be caused by high intraocular pressure, age, genetics, and ... https://visioncare.com.hk/青光眼/