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  2. Cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Cataract_surgery

    Cataract surgery and IOL implantation have the safest and highest success rates of any eye care-related procedures. As with any type of surgery, however, some level of risk remains. [7] Most complications of cataract surgery do not result in long-term visual impairment, but some severe complications can lead to irreversible blindness. [90]

  3. Cyanopsia - Wikipedia

    en.wikipedia.org/wiki/Cyanopsia

    The primary causes include post-cataract surgery, certain medications, and, less commonly, neurological or ophthalmological conditions. Post-cataract surgery is a common cause, as replacing the natural lens with a synthetic one increases exposure to blue light, leading to temporary blue-tinted vision. This effect usually resolves as the eye adapts.

  4. Anesthesia for eye surgery - Wikipedia

    en.wikipedia.org/wiki/Anesthesia_for_eye_surgery

    Anaesthetic is injected just above the eyebrow and below the inferior orbital margin, through a point about 2 cm behind the lateral orbital margin in level with the outer canthus of the eye. [2] [3] O' Brien's block : It is also known as facial nerve trunk block. The block is done at the level of the neck of the mandible near the condyloid ...

  5. List of instruments used in ophthalmology - Wikipedia

    en.wikipedia.org/wiki/List_of_instruments_used...

    effectively two small canulae fitted together, one to introduce fluid and the other to extract the cortical materials, blood, etc. in eye operations •Lacrimal canula small curved canula the size of a syringe needle used to introduce fluids or drugs into the nasolacrimal passage to test its patency or during surgery ( dacrocystography ...

  6. Dilated fundus examination - Wikipedia

    en.wikipedia.org/wiki/Dilated_fundus_examination

    Cataracts: An often age-related condition that leads to gradual vision loss secondary to clouding of the lens. Examination may reveal opacification of the lens and often an absent or blunted red reflex. Dilated fundus exam allows for examination of more peripheral cataracts, as well as evaluating candidacy for cataract surgery. [9] [12]

  7. Capsulotomy - Wikipedia

    en.wikipedia.org/wiki/Capsulotomy

    Capsulotomy (BrE /kæpsjuː'lɒtəmi/, AmE /kæpsuː'lɑːtəmi/) [1] is a type of eye surgery in which an incision is made into the capsule of the crystalline lens of the eye. In modern cataract operations, the lens capsule is usually not removed. The most common forms of cataract surgery remove nearly all of the crystalline lens but do not ...

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