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2. Eye care professional - Wikipedia

   en.wikipedia.org/wiki/Eye_care_professional

   Ophthalmology (/ˌɒfθælˈmɒlədʒi/ OFF-thal-MOL-ə-jee) is a surgical subspecialty within medicine that handles the diagnosis and treatment of eye disorders.[1] [2] Ophthalmologists are physicians (M.D./D.O/have a doctorate in medicine) that undergo subspecialty training in medical and surgical eye care. [3]

3. Optician - Wikipedia

   en.wikipedia.org/wiki/Optician

   An optician is an individual who fits glasses or contact lenses by filling a refractive prescription from an optometrist or ophthalmologist. [1] They are able to translate and adapt ophthalmic prescriptions, dispense products, and work with accessories. [ 2 ]

4. Humphrey visual field analyser - Wikipedia

   en.wikipedia.org/wiki/Humphrey_Visual_Field_Analyser

   However, it accounts for general reductions of vision caused by media opacities (e.g. cataract), uncorrected refractive error, reductions in sensitivity due to age and pupil miosis. This highlights focal loss only (i.e. vision loss suspected from only pathological processes). [16] Therefore, this is the main plot referred to when making a ...

5. Human eye - Wikipedia

   en.wikipedia.org/wiki/Human_eye

   For example, both an ophthalmologist (M.D.) and optometrist (O.D.) are professionals who diagnose eye disease and can prescribe lenses to correct vision. Typically, only ophthalmologists are licensed to perform surgical procedures. Ophthalmologists may also specialize within a surgical area, such as cornea, cataracts, laser, retina, or ...

6. Visual impairment - Wikipedia

   en.wikipedia.org/wiki/Visual_impairment

   Amblyopia: is a category of vision loss or visual impairment that is caused by factors unrelated to refractive errors or coexisting ocular diseases. [59] Amblyopia is the condition when a child's visual systems fail to mature normally because the child either has been born premature, measles, congenital rubella syndrome, vitamin A deficiency ...

7. The 6 most common headache types — and when to see a doctor

   www.aol.com/6-most-common-headache-types...

   The main difference between the two is that cluster headaches tend to occur in cycles, while many patients with migraines have headaches for a few days in a row once a month, Collins said.