Unit 6+ Some Of 7 Flashcards
(29 cards)
Types of Ophthalmic sealants or glue
ReSure
-Sealing incisions in cornea
Cyanoacrylate
Fibrin glue
-Absorbable, blood derived product, degrades into granulation tissue
Amniotic membrane
A corneal bandage to heal or replace damaged eye tissue
Prokera corneal bandage
Corticosteroid implants
-Surgically implanted
-Avoid unwanted side effects of other treatment types
-2.5 year release time
-Retisert (flucinolone)

Oral antibiotics for MGD
-Tetracycline
-minocycline
-doxycycline
Adverse effects of oral MGD antibiotics
-Photo sensitivity
-Contraindicated for pregnancy
Antibiotics for Internal hordeolum
-keflex (cephalexin)
Adverse effects of oral meds for internal hordeolum
-Diarrhea
-Vomiting
-Nausea
hordeolum is caused by
Staphylococcal infection.
-most self-resolve in 1-2 weeks
Herpes simplex virus and Varicella Zoster virus oral antivirals
-Zovirax
-valtrex
-famvir
Hutchinson’s sign
Blisters on top of nose
Two mechanisms of angle closure glaucoma
-Iris plateau
-Pupillary block
Signs and symptoms of angle closure glaucoma
-Eye and head pain
-Reduced visual acuity
-Halo
-Red eye
-Nausea and vomiting
-Mid dilated pupil
-Elevated IOP
-Corneal edema
Risk factors for angle closure glaucoma
-Hyperopia
-Female
-Asian
-Shallow or narrow anterior chamber
-Older age
Treatment for angle closure glaucoma
Reduce intraocular pressure
-Glaucoma eyedrops
-Oral medication
-IV medication
Reduce inflammation
-Topical steroids
Surgery
Different kinds of glaucoma eyedrops
-CAI
-Pilocarpine (Parasympathomimetic)
-Alpha agonist
-Beta blocker
Tx with Oral and IV medication for angle closure
Reduce aqueous humour production
-CAI (acetozolamide, oral or IV)
Reduce vitreous volume
-Hyperosmotic agents (mannitol, IV)
-Glycerol (oral)
Iridotomy versus iridectomy
Iridotomy= laser pokes hole in iris to let aqueous thru
Iridectomy= part of the iris is removed

Characteristics of anterior uveitis
-Inflammation of iris and/or ciliary body
-White blood cells and/or protein in anterior chamber
Causes of anterior uveitis : autoimmune
-Juvenile idiopathic arthritis
-Sarcoidosis
-Ankylosing spondylitis
-Sjögren’s syndrome
Causes of anterior uveitis: infectious
-HSV
-VZV
-Tuberculosis
Causes of anterior uveitis: malignancy
-Retinoblastoma
-Malignant melanoma
-Leukaemia
Other causes of anterior uveitis
-idiopathic
-trauma
Inflamed areas in intermediate posterior uveitis
-Vitreous
-Pars plana
-Peripheral retina
Inflamed areas in posterior uveitis
-Retina
-Choroid
-Optic nerve