In this KS2 maths article you’ll learn how to recognise and order right, acute, obtuse, reflex and straight line angles. We also have a KS2 Maths quiz and lots of examples.

If you think you have acute angle closure glaucoma, you’ll need to see an ophthalmologist right away -- it’s an emergency. They’ll examine you and ask about your symptoms.

The analysis for acute angle closure included 372 patients with the diagnosis and 1488 patients in the control group (mean age, 70.4 years; mean follow-up, 2.9 years), ...

With a mean follow-up of more than 6 years after acute primary angle closure, almost 20% of patients in an Asian population were blind in the attack eye, a study in Singapore found. In addition ...