What happens if i wear non toric lenses

If this sounds like you, you could have astigmatism , a condition caused by a cornea with an unconventional shape, such as a football instead of a soccer ball. Astigmatism occurs in families and due to issues with the cornea or as a result of keratoconus. In addition to blurry vision, you may have symptoms such as eye fatigue or strain when viewing something up close or far away, depending on your form of astigmatism.

Most eye doctors prescribe contact lenses for astigmatism to correct any visual distortion. Since the shape of your cornea often causes astigmatism, you need special contact lenses to correct your eye condition.

Many optometrists recommend toric contact lenses for astigmatism since they move with your eye to correct distorted vision at every angle. So, can you wear normal contact lenses with astigmatism?

Instead of choosing generic contacts, talk to your eye doctor about the types of toric lenses. If your symptoms are concerning, they may suggest rigid gas-permeable RGP toric contacts hard contact lenses to promote a better flow of oxygen to your eyes and to help your eyewear stay put.

Toric contacts and other contact lenses for astigmatism are made to correct symptoms caused by an irregular cornea. If your cornea has a spherical shape, astigmatism contacts may be uncomfortable on your eyes, which can make you more likely to remove the lenses. And remember that inserting and removing contacts without sanitizing them can cause eye infections.

Wearing the wrong contact lens can cause problems with your vision. For single vision soft lens fits in , wide variation in the proportion of spherical to toric lenses used was found by country. Figure 1: Prescribing of toric lenses as a proportion of single vision spherical lenses adapted from Morgan P et al.

International contact lens prescribing CLS Jan Given the evidence for the benefits of fully correcting astigmats, in combination with propensity for early drop out due to problems with vision, this describes positive fitting practice likely to benefit both the patient and business. It is not worth correcting low astigmats with toric lenses? A myth. An outdated view as suggested by currently available evidence. Fitting data in many countries already reflects proactive prescribing practices from Where the proportion of toric lens fits still has opportunity to increase, it may be helpful to remember the following:.

Myth 2: Fitting soft multifocal lenses is complex, takes up a lot of chair time and never meets patient needs. What is the difference between no-line bifocals, progressive bifocals and trifocals?

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