| escrs.org | European Society of Cataract and Refractive Surgeons |
| glaucoma.org | Glaucoma Research Foundation |
| blindness.org | Foundation Fighting Blindness |
| nih.gov | National Eye Institute |
| isrs.org | International Society of Refractive Surgery |
| clao.org | Contact Lens Association of Ophthalmologists |
| asoprs.org | American Society of Ophthalmic Plastic and Reconstructive Surgery |
| ascrs.org | The American Society Of Cataract And Refractive Surgery |
| aoanet.org | Document Moved |
| abop.org | American Board of Ophthalmology |
| eyenet.org | www.eyenet.org/ |
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