astigmatism astigmatism  /ə ˈstɪɡ mə ˌtɪ zəm/


  1. (n) (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
  2. (n) (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point



  1. Worse yet, he wore glasses to correct astigmatism in his right eye.
  2. Various astigmatism inflicted people get headaches.
  3. What passed for Vision in those days was astigmatism to Durant.


  1. Long Island Cataract Patients See Improved Outcomes With Breakthrough ‘Intraoperative’ ORA Technology

    For the first time in medical history, cataract surgeons have the on-demand ability to measure outcomes, correct astigmatism and verify lens implant calculations in real time during cataract surgery, according to leading eye surgeon Jeffrey Martin, MD who recently introduced Optiwave Refractive Analysis as one the most dramatic breakthrough in intraoperative cataract care in the past two decades ...
    on July 1, 2013     Source: PRWeb

  2. Vinod Khosla-backed smartphone diagnostic creating portable eye exam raises $2M

    A group of entrepreneurs who wants to make eye exams more accessible in developing countries has raised $2 million for a smartphone attachment that claims to diagnose nearsightedness, farsightedness and astigmatism, according to a Form D filing with the U.S. Securities and Exchange Commission. EyeNetra’s device, NETRA G, is based on technology developed in the [...]
    on June 28, 2013     Source: MedCity News


  1. "I had my eyes fixed in January [he had an astigmatism and was having a problem in fading light] and just before the Masters my wrist was sorted [he had a cyst]," Poulter said. "I also think that mentally I'm better than I was heading to...
    on Jul 1, 2009 By: Ian Poulter Source:

  2. "When I drive at night, I have to wear glasses. I have astigmatism, and when I'm driving fast, I can't see anything," Bradshaw said. "But, you know, I can take the glasses off if I slow down. Now, I know you don't understand the point, but...
    on Jan 14, 2007 By: Terry Bradshaw Source: Houston Chronicle

  3. "My vision had gotten worse," said Cirillo, who had laser surgery on both eyes. "I tried contacts, but I had an astigmatism and (the lens) kept bouncing on me when I'd run around. I wouldn't say that my vision wasn't great, it's just that it...
    on Feb 28, 2004 By: Jeff Cirillo Source: San Diego Union Tribune

Word of the Day
astral astral
/ˈæ strəl /