Because of the availability of toric IOLs, we typically limit our use of PCRIs to treat between 1 and 1.5 D of corneal astigmatism (Figures 2–4). For asymmetric bow tie or irregular topographic ...

Astigmatism occurs when the cornea—the transparent front surface of the eye—has an irregular shape, resembling a football rather than a perfectly round basketball. This uneven curvature causes ...

Types of astigmatism There are two types of astigmatism, regular and irregular. Irregular astigmatism is often caused by a corneal scar or "scattering" in the eye’s crystalline lens. While this ...

He said: “I've got astigmatism – I kept telling people I had stigmata, like the wounds of Christ. Get over yourself, Alan.” He continued: “I had a bit of a health scare. I went to Moorfields [eye ...

Alan Carr recently underwent a procedure after his diagnosis. Getty Images) ...

The comedian, who has astigmatism, explained that his eyeballs need draining due to excessive pressure. The 48-year-old Chatty Man host had to undergo a treatment that involved a spike being ...

With increasing demands of patients concerning refractive outcome after cataract surgery, toric IOLs that correct corneal astigmatism have been introduced more widely to cataract surgery.