Astigmatism is when either the cornea or the crystalline lens in the eye does not curve in the usual way. A person may have blurred vision or find themselves squinting. Corrective lenses can often ...

People with astigmatism may see more glare around lights than those without the condition. This glare may be particularly noticeable at night and may make it difficult to see and drive at night.

Please provide your email address to receive an email when new articles are posted on . Many patients desire a refractive correction at the same time as cataract ...

Flora Hui works part-time in private practice as an optometrist. Angelina Duan works in private practice as an optometrist. The eye acts like a camera, capturing light through the front surface (the ...

Astigmatism is a common vision problem caused by an error in the shape of the cornea. Symptoms can differ from person to person but may include blurry vision and ...

Please provide your email address to receive an email when new articles are posted on . Irregular astigmatism is a term often used to refer to any type of higher-order aberration that cannot be ...

Microlenses fabricated using flexible elastomers can be tuned in focal length by application of controlled strain. By varying the strain azimuthally, the lenses may be deformed asymmetrically such ...

Astigmatism is a common condition that affects how your cornea directs light to your retina. It’s a refractive error that occurs due to an abnormal or uneven ...

Have you ever gone to the optometrist for an eye test and were told your eye was shaped like a football? Subscribe to our newsletter for the latest sci-tech news updates. Or perhaps you've noticed ...