American Society of Cataract and Refractive Surgeons (ASCRS)
This is a good site to find an ophthalmologist in your area. I believe their members tend to be well informed on the latest advances in cataract and refractive surgery.

Duke University Eye Center
Many of the instruments and the technique for vitrectomy (removal of the vitreous) were developed at Duke University where Doctor Karickhoff trained and remains on the Advisory Board. A large Eye Research Institute was added in 2005. Dr. Karickhoff gave the medical lecture for the opening of this Institute.

National Library of Medicine
This site makes available the Medline search and other databases at the National Library of Medicine. You can do free on-line literature search.

Prevent Blindness America
An informative site where you can download several vision self-tests for adults and children.

Quackwatch
Ophthalmology is not immune from the enormous amount of quackery, fraud, and false claims in medicine. See at the "Eye-Related Quackery" page.

Research in Vision and Ophthalmology
This site is helpful in learning the latest research in vision and ophthalmology.

Vitreous Society
The site describes retinal diseases and laser treatments. Their members are listed.

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John Karickhoff, M.D. • 313 Park Avenue • Falls Church, VA 22046