Lid and lid disorder terms Flashcards
Pterygium
A non-cancerous growth that starts on the conjunctiva
This condition CAN move onto the cornea
Pinguecula
Often confused with Pterygium
Appears as a yellowish growth of the scleral conjunctiva and is usually adjacent to the limbus
As it is confined to the conjunctiva, this will NOT encroach onto the cornea
Capillary Hemangioma
Most common presentation is as superficial tumor that develops “strawberry” appearance
Lacrimal gland tumors
Enlargement of lacrimal fossa with displacement of globe and no inflammatory signs
Malignant Eyelid Tumors
6
Basal cell carcinoma Squamous cell carcinoma Meibomian gland carcinoma Melanoma Karposi sarcoma Merkel cell carcinoma
Topical Anesthetic Drugs
Proparacaine (Alcaine)
Oxybuprocaine AKA Benoxinate (Novesin, Novesine)
Tetracaine (Altacaine, Tetcaine, TetraVisc)
Most commonly used topical anesthetic?
Why?
Proparacaine is the most commonly used as it has less stinging/burning associated with instillation of drops
What is Flurox?
Benoxinate comes in combo with fluorescein
What is the defining characteristic of herpes in the eye?
dedritic lesions
Side effects of topical anesthetics?
4
Stinging, irritation
Hypersensitivity reaction
Prolonged use may retard wound healing.
Must protect the eye from irritants until it wears off
Contraindications for topical anesthetics?
5
- any hypersensitivity to anesthetics,
- liver disease,
- taking anticholiesterases*,
- dry eye,
- perforating eye injury
Cycloplegics drugs?
5
Atropine (Isopto Atropine) Scopolamine (Isopto Hyoscine) Homatropine Cyclopentolate (Cyclogyl) Mydriacyl (Tropicamide)
Contraindications for cycloplegics:
2
Angle closure glaucoma
People with narrow angles
Side effects of cycloplegics:
5
Blurred vision Burning or stinging Eye irritation Increased sensitivity of eyes to light Swelling of the eyelids
MOA of decongestants?
3
Cause pupil dilation
Increase in outflow of aqueous humor
Vasoconstriction
