Acute angle-closure glaucoma is a rare yet serious condition that can cause permanent vision loss if a person does not get treatment. Learn more about the symptoms and treatments here.

Obtuse An obtuse angle is an angle that is bigger than 90° degrees, but doesn’t reach a straight line at 180°.

Acute and Obtuse Angles - Jill Turner - Fourth Grade 06/08/2020 | 57m 13s | Students will learn all about lines and angles and make observations about how they apply to real-life situations.

If an angle is less than 90 degrees, it is called an acute angle. See how cute it is? If an angle is greater than 90 degrees, but less than 180 degrees, it's called an obtuse angle.

Acute and Obtuse is a series of outdoor furniture developed by Lau for Abbey Gardens, an open-access park and harvest garden in Newham.

“We often tend to look at things from an acute angle, that is with a critical look. But in every event there is perhaps an ‘Obtuse angle’ that a cartoonist tries to look for, a funny and ...

Severe eye pain can mean acute angle closure glaucoma. Learn about the causes, symptoms, and treatment for this serious eye condition.