So, you can be nearsighted (have trouble seeing clearly at a distance without correction) and have astigmatism. Or, you may be farsighted, typically with difficulty seeing up close, and have ...

Moorfields Eye Hospital, London, UK and Eye Surgery Foundation, Perth, Western Australia If you wish to reuse any or all of this article please use the link below ...

unifi.it Results Postoperative UDVA and aberrometric values were significantly better (p<0.001) and mean postoperative spherical equivalent was significantly lower (p<0.05) in the toric and control ...

The astigmatic correction in diopters equals the sum of the lengths of the incisions in clock hours divided by two. For asymmetric bow tie astigmatism in which the axis of astigmatism changes ...

Pre-existing corneal astigmatism is a significant component of preoperative ametropia. To achieve satisfactory postoperative refractive results, it is important to correct pre-existing spherical ...

Blurred vision is the main symptom of astigmatism. Astigmatism is a curable eye condition and may be corrected with eyeglasses, contact lenses, or LASIK surgery.

The company also developed models for the correction for hyperopia and astigmatism. 2 Today, the Artiflex/Artisan pIOLs (marketed as the Verisyse lens in the US) provide one of the largest ranges of ...

If we then assume that the population wearing contact lenses is representative of the larger population requiring visual correction, you would expect approximately 40% of all our soft lens fits should ...