What are some early signs of narrow angle glaucoma?

Pain, blur: Intermittent or early angle closure may have no symptoms, or may manifest with pain, aching over the brow, blurred vision, seeing haloes around lights. Other things can also cause these symptoms, but if you are having them, they warrant evaluation with a complete exam.

None usually: Narrow angles is an anatomical condition that increases the risk for an attack on angle closure glaucoma. Laser treatment (iridotomy) is the advised treatment and can prevent an acute, painful attack that can cause severe loss of vision.Rarely, narrow angles can partially occlude , intemittently, causing headache, eye pain, and blurred vision.