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Not usually. The eye really looks as if nothing was done. Occasionally you can see a "glint" from the lens implant if the light is right and the IOL was made of certain more reflective material. Often the biggest clue is that the cataract patient is no longer wearing...

An image focused by the human eye on the retina is ALWAYS inverted: top for bottom; right for left. This was true at birth and continues throughout life. The reason for this is just the anatomical nature of the optics of the eye and its lens system. You would think we...

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...

Amblyopia, ("Lazy eye") is indeed a central (i.e. brain) neurological problem. So it is certainly logical to wonder if it might be overcome even later in life than what was once thought possible. The problem, though, appears to be the degree to which amblyopia is a...

It is not necessarily too dangerous, but having to do so indicates there has been some sort of problem with the previous procedures. This is unusual but not unknown, even among the very best eye surgeons. But it can mean it would be more challenging to be able to...

LASIK and PRK both routinely treat sphero-cylinderical refractive errors (poor focus needing glasses). It would be a mistake, though, to think of sphere+cylinder as equivalent to refractive error just because the former are overwhelmingly the cause of that error . ...

Amblyopia, sometimes called "lazy eye," is a neurologic problem of childhood that inhibits development of full vision potential. As such, it is not directly "fixable" with LASIK or any other refractive procedure. But since amblyopia is typically...

No. The light used in routine eye exams is not intense enough, nor is it a wavelength to cause damage to the various eye structures. _Written by J. Trevor Woodhams, M.D. - Chief of Surgery, Woodhams Eye Clinic