Aim: To study the prevalence, type, and progression of astigmatism in Chinese preschool children, and its effect on refractive development. Methods: A cross sectional study of preschool children was ...

An accommodation weakness was found in 55% of the children. Accommodation weakness was significantly less frequent in the stable, low grade hypermetropia group (22%) than in all the other groups ...

Despite Carr’s ordeal, astigmatism is relatively common, affecting about 1 in 3 people. It is where the curvature of the eye ...

If you take a good look at your eye, you might barely see your cornea, the clear outer covering of the eye. For someone with astigmatism, the cornea is uneven, which changes how light enters the eye ...

Astigmatism, derived from Greek meaning "without spot," refers to a common refractive condition that decreases acuity. Astigmatism has both a magnitude and a direction, or axis, unlike spherical ...

If you have astigmatism, your vision may be blurry and distorted instead of sharp and crisp. In astigmatism, the cornea (the ...