How Do Toric Lenses Work?
What are Toric Lenses? Toric lenses are a type of contact lens used in the correction of astigmatism. Toric lenses can be soft or rigid types of contacts. Most of them are soft lenses. Soft lenses are made from permeable, soft plastic that forms to the shape of the wearer’s eye. Rigid contacts, also known as hard contacts, are generally only prescribed for specific eye problems. Some astigmatism sufferers have noted crisper vision with rigid toric lenses than with soft ones. Astigmatism Astigmatism is the term used to describe vision problems caused by a misshaped cornea. A normal cornea is spherical. A cornea in someone suffering astigmatism is shaped like a football with each ended extending outward. Astigmatism sufferers have trouble making out a single shape. Instead they will see a halo of blurriness around objects. Viewing lights is the most difficult. Objects like LED alarm clocks cause multiple halos and are nearly impossible to make out without corrective lenses. Astigmatism t
