Laser refractive surgery has long been a life-changing option for those struggling with nearsightedness, farsightedness, or astigmatism. Millions have said goodbye to glasses and contact lenses thanks ...

Topography accurately measures the global corneal astigmatism, quantifies the nature of the astigmatism (i.e., symmetric 'bow tie' vs asymmetric or 'irregular' astigmatism) and identifies the ...

Using preoperative corneal topography to guide the approach, the cataract surgeon has several options to treat corneal astigmatism at the time of cataract surgery. By measuring the amount and axis ...

At Houston LASIK & Eye, the decision between LASIK and EVO ICL isn't left to chance. During comprehensive consultations, advanced diagnostic technology assesses corneal thickness, prescription ...

Since topography-guided ablation was designed to improve corneal high-order aberrations (HOA), this technique could be performed in these cases.(3, 4) This paper reported three cases with different ...

People with astigmatism sometimes complain of blurred, distorted, slanted, or double vision. Astigmatism almost always occurs in both eyes and is usually quite symmetrical between the two. Astigmatism ...

The cornea's shape is altered as a result. A topography scan quantifies distortion and its impact on vision. Growths: Topography can be used to track the size of pterygia or other growths. Keratoconus ...

Astigmatism tests are available online, but a doctor’s eye exam is needed for diagnosis. Learn more about testing for astigmatism. Skip to content. Menu. ... Corneal topography: This imaging generates ...