Ophthalmology Book

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MydriaticAka: Cycloplegic, Eye Dilating Drop

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  1. Definition
    1. Topical medications that cause Pupil Dilation (Mydriasis)
  2. Mechanism
    1. Agents based on Atropine which blocks muscarinic acetylcholine receptors
    2. Blocks pupillary constriction
  3. Indications
    1. Retinal Exam
    2. Eye Pain (prevents ciliary muscle spasm)
  4. Preparations
    1. Cyclopentolate 0.5 to 2% (Cyclogyl)
    2. Isopto Hyoscine 0.25% (Scopolamine)

Cycloplegics (C0010586)

ConceptsPharmacologic Substance (T121)
Englishcycloplegic, Cycloplegic preparation, Cycloplegics
Spanishpreparación ciclopéjica, preparacion ciclopejica
CreditsDerived from the NIH UMLS (Unified Medical Language System)


Mydriatics (C0026964)

Definition (MSH)Agents that dilate the pupil. They may be either sympathomimetics or parasympatholytics. The latter cause cycloplegia or paralysis of accommodation at high doses and may precipitate glaucoma. Mydriatics are used in eye diseases and to facilitate eye examination.
ConceptsPharmacologic Substance (T121)
Englishmydriatic, Mydriatics
Spanishmidriático, midriatico
CreditsDerived from the NIH UMLS (Unified Medical Language System)



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