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How bad should your eyesight be before you should get laser surgery?

You can consider having vision surgery if you are dependent on glasses or contact lenses no matter how low or high your prescription. In general, laser vision correction works best for nearsighted (myopic) people under about -8 diopters. There are better options for people with...

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in Uncategorized by woodhamseyedev 09 Oct 2022

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Why does human vision have no lens distortion like most cameras do?

Actually, the human eye can create distortion in ways similar to a camera. In an emmetropic eye (one with no need for glasses), the optical image is what we think of as normal. But in the case of myopia (nearsightedness) for example, the concave glasses (especially in high myopia cases) create...

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in Uncategorized by woodhamseyedev 09 Oct 2022

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Can an eye go for laser surgery with the power of -10 and -9?

LASIK (and PRK) were originally FDA approved for treating even such high levels of myopia (nearsightedness). But more recent experience and data have shown that the threshold for long-term stability and safety in laser vision correction is probably about -6 to -7 Diopters, maybe even lower. While LASIK can be...

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in Uncategorized by woodhamseyedev 25 Sep 2022

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Can an eye doctor check whether I have keratoconus with a normal eye examination?

Keratoconus (and the spectrum of keratoconus-like problems of the cornea) are easily missed within the context of a normal, routine eye exam. Without specialized diagnostic equipment, keratoconus is usually only discoverable in its advanced stages using biomicroscopy (slit lamp) and refraction. While this may be...

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in Uncategorized by woodhamseyedev 25 Sep 2022

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How do people who can’t read get eye exams?

Visual acuity testing can be done without using letters, for example in children or other individuals who might be literacy challenged. Another example would be working with foreign adults who are only familiar with their own alphabets (e.g. Japanese). There is the "tumbling E" chart which...

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in Uncategorized by woodhamseyedev 11 Sep 2022

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