Refractive Errors |
Astigmatism; Farsightedness; Hyperopia; Nearsightedness |
Normal vision. Courtesy NIH National Eye Institute The same view when myopic. Myopia, sometimes called near-sightedness or short-sightedness[1], is a refractive defect of the eye in which collimated light produces image focus in front of the retina when accommodation is relaxed. This may be caused by a defect of the cornea (generally where the cornea protrudes too far outward from the eye) or from elongation of the eye structure itself (generally the eye is too long). Those with myo ...
Wikipedia - [full article]
Resources
- 20/20 Vision (American Optometric Association)
- American Academy of Ophthalmology
- American Optometric Association
- ASCRS/ASOA Online (American Society of Cataract and Refractive Surgery, American Society of Ophthalmic Administrators)
- Astigmatism (Google Health)
- Astigmatism (MayoClinic)
- Automated Lamellar Keratoplasty (ALK) (American Academy of Ophthalmology)
- Cataract and Refractive Eye Care Glossary (American Society of Cataract and Refractive Surgery)
- Children's Eye Problems (Prevent Blindness America)
- ClinicalTrials.gov: Myopia (National Institutes of Health)
- ClinicalTrials.gov: Refractive Errors (National Institutes of Health)
- Comparison of the induced astigmatism after temporal clear corneal tunnel incisions of different (Google Health)
- Cornea and Corneal Disease (National Eye Institute)
- Corneal Modifications (American Optometric Association)
- Corneal Ring Segments Improve Vision for Patients with Keratoconus (American Academy of Ophthalmology)
- Diagram of the Eye (National Eye Institute)
- Diagrama del Ojo (National Eye Institute)
- Distance Vision Test For Adults (Prevent Blindness America)
- Ethnic Background Affects a Child's Risk of Certain Eye Problems (Nemours Foundation)
- Eye Coordination Problems (American Optometric Association)
- Eye Disease Simulations (National Eye Institute)
- Eye Examinations (National Eye Institute)
- Eye Health Organizations Database (National Eye Institute)
- Eye Tests For Children (Prevent Blindness America)
- Farsightedness (Cleveland Clinic)
- Farsightedness (Google Health)
- Farsightedness (MayoClinic)
- Financial Aid for Eye Care (National Eye Institute)
- Find an Eye M.D. (American Academy of Ophthalmology)
- Great American Eye Test (American Optometric Association) - Links to PDF File
- How Often to Have an Eye Exam (American Academy of Ophthalmology)
- Hyperopia (Cleveland Clinic)
- Hyperopia (American Optometric Association)
- Keratoconus (American Optometric Association)
- Laser Eye Surgery (National Library of Medicine)
- Laser Vision Correction (Cleveland Clinic)
- Myopia (American Optometric Association)
- National Eye Institute
- National Optometric Data Bank (Association of Regulatory Boards of Optometry)
- Near Vision Test For Adults (Prevent Blindness America)
- Nearsightedness (MayoClinic)
- Nearsightedness (Google Health)
- Ocular optical aberrations after photorefractive keratectomy for myopia and myopic astigmatism (Google Health)
- Other Refractive Surgeries (LASIK Institute)
- Presbyopia: A Normal Result of Aging (Mayo Foundation for Medical Education and Research)
- Prevent Blindness America
- Refractive Errors (National Institutes of Health)
- Refractive Errors (Medline Plus)
- Selecting a Refractive Eye Surgeon (LASIK Institute)
- Sports & Vision (American Optometric Association) - multi-page document
- Statement on the Use of Progressive Addition Lenses vs. Single Vision Lenses to Treat Myopia in Children (National Eye Institute)
- Taking a Good Look at Glasses (Nemours Foundation)
- Talking to Your Doctor (National Eye Institute)
- The effect of suture removal on postkeratoplasty astigmatism. (Google Health)
- Vision Correction: Taking a Look at What's New (U.S. Food and Drug Administration)
- Vision Problems in the U.S. (National Eye Institute) - Links to PDF File (National Eye Institute)
- What Are Refractive Errors? (American Academy of Ophthalmology)
- Your Child's Vision (Nemours Foundation)

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