Eye And Ears Flashcards
Pilocarpine uses?
ttt of open angle glaucoma emergency
Xerostomia -dry mouth
Doc for open angle glaucoma
Timolol
Mention eye disorders
Blepharitis=inflammation of eyelid margin
Hordeolum=style=دمل Staphy. aureus
Chalazion=granuloma in eyelid surrounding area Not infectious
Conjunctivitis=Bacterial/viral/allergic
Age related macular degeneration =degeneration of macular in central vision
Cataract=cloudy eye lens,vision obstruction
Glaucoma
What are the three different types of conjuctivitis?
Bacterial=Red eye + pus
Viral= Red eye+ clear discharge
Allergic=Red eye+clear discharge+ itching
Treatment of bacterial conjuctivitis?
Caused by:S.aureus, S.pneumonia,H.influenze
Non-Rx=polymixin B/gramicidin eye drops
Polymixin B/ bacitracin ointment
Rex therapy= Trimethoprim/ polymixin B eye drops
Erythromycin ointment
Bacitracin ointment
Sulfacetamide 10%drops
Treatment of Viral conjuctivitis?
Adenovirus/HSV
NonRx=oral decongestant
Oral lubricant
Rx ttt=Trifluridine, acyclovir, famciclovir, valacyclovir (oral)
Treatment of allergic conjuctivitis?
Cold compression
Artificial tears
Levocabastine; emedastine ;olopatadine (antihistamine)
Nedocromil: lodoxamide (mast cell stabilizers)
Ketrolac
List drugs that cause dry eyes?
Anticholinergics B blockers Diuretics Niacin Antihistamines first generation Antipsychotics -phenothiazine Tricyclics antidepressants-amitriptyline Isotretinoin
What are the drugs that cause discoloration of contact lenses?
Dopamine Tetracycline Rifampin Nitrofurantoin Phenazopyridine Pyrantel pamoate Sulfasalazine Phenolphthalein
What are the photoreceptors in eyes?
Cones= sensitive to day light/colors (Iodopsin)/ less in number/less sensitive Rods= dim light (Rhodopsin) High in number/more sensitive
Cones and Rods are not present on OPTIC DiSk=Blind spot
Treatment of glaucoma
B blocker = Timolol (dec aq. humor formation)
CA inhibitor = acetazolamide/dorzolomide (dec aq. humor formation)
Prostaglandin analogues = Inc outflow
Cholinergic agonist = Inc outflow
What does OD, OS, OU means?
OD =right eye
OS =left eye
OU =both eyes
What are the post operative medication for cataract?
- Antibiotics (Floroquinolons, aminoglycosides,miscellaneous)
- Dilators/Cycloplegics( Cyclopentolate, phenylephrine, Tropicamide)
- Anti inflammatory ( corticosteroids,NSAIDS)
- Glaucoma medication
Causes of Cold Sores and treatment
Cold sores Herpes labialis HSV1 (Fever blisters)
Transmitted by direct contact
OTC ( Abreva; Docasanol)
Topical anasthetic (benzocaine; tetracaine)
Cold sore balm (camphor, Menthol,benzylalcohol)
Burrow solution
Cold compression
Sunscreen SPF=15 (sunlight is trigger)
Lipactin = heparin Na& Zn sulphate
RX Acyclovir ointment
What is the cause of canker sores (aphothous stomatitis)?
Stretococcus Sanguis, also from poor fitted dentures, spicy food Treatment: topical anesthetic Emollients chlorohexidine mouth wash