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So, you can be nearsighted (have trouble seeing clearly at a distance without correction) and have astigmatism. Or, you may ...

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 ...

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 ...

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 ...

That’s the effect blinding LED headlights have on someone with an astigmatism. TikToker Tahoma (@realtahoma), who has an astigmatism, calls out the ubiquitous headlights in a video posted to her ...