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2. Intravitreal injection - Wikipedia

   en.wikipedia.org/wiki/Intravitreal_injection

   Patient with aphakic (without lens due to cataract surgery), or pseudophakic eye (with implanted lens after removal of natural lens) would have the injection 3.0-3.5 mm posterior to the limbus, while injection to the phakic eye (with natural lens) is done 3.5-4.0 mm posterior to the limbus. [6] An anatomical diagram showing the limbus of the eye.

3. Anesthesia for eye surgery - Wikipedia

   en.wikipedia.org/wiki/Anesthesia_for_eye_surgery

   Nearly all ocular surgeries viz keratoplasty, cataract extraction, glaucoma surgery, iridectomy, strabismus, [5] retinal detachment surgery etc. can be done under regional anaesthesia. Conjunctiva, globe and orbicularis can be paralysed using a combination of surface anaesthesia, facial anaesthesia and retrobulbar block. [1]

4. Twilight anesthesia - Wikipedia

   en.wikipedia.org/wiki/Twilight_anesthesia

   Generally, twilight anesthesia causes the patient to forget the surgery and the time right after. It is used for a variety of surgical procedures and for various reasons. Like regular anesthesia , twilight anesthesia is designed to help a patient feel more comfortable and to minimize pain associated with the procedure being performed and to ...

5. Equianalgesic - Wikipedia

   en.wikipedia.org/wiki/Equianalgesic

   An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]

6. Total intravenous anaesthesia - Wikipedia

   en.wikipedia.org/wiki/Total_intravenous_anaesthesia

   Total intravenous anesthesia (TIVA) refers to the intravenous administration of anesthetic agents to induce a temporary loss of sensation or awareness. The first study of TIVA was done in 1872 using chloral hydrate , [ 1 ] and the common anesthetic agent propofol was licensed in 1986.

7. Cataract surgery - Wikipedia

   en.wikipedia.org/wiki/Cataract_surgery

   Immediately sequential bilateral cataract surgery also has significant cost savings, and faster visual rehabilitation and neuroadaptation. [Note 16] Another indication is significant cataracts in both eyes of patients for whom two rounds of anaesthesia and surgery would be unsuitable. The risk of simultaneous bilateral complications is low ...