Glaucoma is an eye disease. Pressure inside the eye gets too high and slowly hurts the nerve that carries what you see to the brain.

Glaucoma青光眼 is是 an eye disease.一種眼睛疾病。Pressure inside the eye眼睛裡面的壓力 gets too high變得太高 and slowly hurts the nerve然後慢慢傷害那條神經 that carries what you see to the brain.把你看到的東西傳到大腦的那條神經。

Sight fades little by little, often from the edges first, and people may not notice until a lot is already gone — it can steal sight quietly. If it is not treated, it can lead to blindness.

Sight fades little by little,視力會一點一點變差， often from the edges first,通常先從邊緣開始， and people may not notice而人們可能不會發現 until a lot is already gone直到已經失去很多視力才發現 — it can steal sight quietly.——它會不知不覺地偷走視力。If it is not treated,如果沒有治療， it can lead to blindness.可能會導致失明。

There is a slow, common kind, and a sudden, very painful kind that is an emergency. Drops, laser treatment, or an operation can lower the pressure; they cannot always put lost sight back.

There is有 a slow, common kind,一種緩慢、常見的類型， and a sudden, very painful kind以及一種突然發作、非常疼痛的類型 that is an emergency.那是緊急狀況。Drops, laser treatment, or an operation點眼藥水、雷射治療，或手術 can lower the pressure;可以降低眼壓； they cannot always put lost sight back.但沒辦法把已經失去的視力找回來。

It is a doctor’s word, not slang. Older people are more at risk, and it can run in families, so eye checks matter.

It is是 a doctor's word,醫生用的字， not slang.不是俚語。Older people are more at risk,年紀大的人風險比較高， and it can run in families,而且會有家族遺傳性， so eye checks matter.所以定期檢查眼睛很重要。

Though actually, the old Greek name was about a blue-green cloudiness in the eye; doctors now use glaucoma for this pressure problem, which is not the same as a cloudy lens.

Though actually,不過其實， the old Greek name這個古希臘字原本 was about a blue-green cloudiness in the eye;是指眼睛裡的藍綠色混濁； doctors now use glaucoma醫生現在用glaucoma這個字 for this pressure problem,來指這種眼壓的問題， which is not the same as a cloudy lens.這跟水晶體混濁不一樣。