Asked by Emily
Which of the following is TRUE about OAG?
OAG onsets suddenly, causing blurry vision and eye pain
OAG onsets suddenly, causing immediate loss of peripheral vision
OAG onsets gradually, initially presenting with little or no symptoms
OAG onsets gradually, initially presenting with loss of central vision
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Correct answer: "OAG onsets gradually, initially presenting with little or no symptoms."
Explanation: Primary open‑angle glaucoma is chronic and insidious, often painless, and causes progressive peripheral (not central) visual field loss that may go unnoticed until advanced. Sudden painful onset with blurred vision is characteristic of acute angle‑closure glaucoma, not OAG.
Explanation: Primary open‑angle glaucoma is chronic and insidious, often painless, and causes progressive peripheral (not central) visual field loss that may go unnoticed until advanced. Sudden painful onset with blurred vision is characteristic of acute angle‑closure glaucoma, not OAG.
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