Flashcards in Red Eye Deck (39)
List the main conditions that cause a red eye
Acute closed-angle glaucoma
What is blepharitis?
List the two main causes of anterior blepharitis
Seborrheic scales on lashes
Staphylococcal infection involving lash follicle
List the main cause of posterior blepharitis
Meibomian (tarsal) gland dysfunction
How do the appearances of anterior + posterior blepharitis differ?
Anterior: red lid margin
Posterior: red in deep part of lid
List signs of seborrheic anterior blepharitis
Red lid margin
List signs of Staphyloccoal anterior blepharitis
Red lid margin
Distorted/loss of lashes
List signs of posterior blepharitis (Meibomian gland dysfunction)
Normal lid margin + skin
Chalazia (Meibomian cyst)
Meibomian cysts can induce astigmatism. True/False?
Outline treatment of blepharitis
Lid hygiene (bathing, warm massage)
Oral doxycycline for 2-3 months
List clinical features of conjunctivitis
Red, gritty eye
Papillae or follicles
What are papillae and which type of conjunctivitis are they seen in?
Tiny bubble-wrap-like lumps with central red dot
What are follicles and which type of conjunctivitis are they seen in?
Diffuse redness with grainy rice-like aggregations
Vision is usually unaffected in conjunctivitis. True/False?
Watery discharge is associated with bacterial/viral conjunctivitis and sticky discharge is associated with bacterial/viral discharge
Watery discharge is associated with viral conjunctivitis and sticky discharge is associated with bacterial conjunctivitis
Acute bacterial conjunctivitis does not require treatment. True/False?
Usually self-limiting and resolves within 14 days, but can use antibiotic to speed up recovery
Describe the pattern of disease symptoms in bacterial conjunctivitis
Symptoms begin in one eye but spread to both
What is the 1st line antibiotic treatment for bacterial conjunctivitis?
Chloramphenicol eye drops
What are Acanthamoeba corneal ulcers associated with?
List clinical features of corneal ulcers
Severe needle-like pain
How does exposure keratitis arise?
Dryness of cornea e.g. thyroid, VII palsy
Which disease is keratoconjunctivitis sicca associated with?
Deficiency in which vitamin can lead to dry eyes?
How are corneal ulcers treated?
Identify cause with corneal scrape + Gram stain
Antimicrobial if bacterial (ofloxacin)
Antiviral if herpetic (acyclovir)
Anti-inflammatory if autoimmune
Anterior uveitis is synonymous with the term iritis. True/False?
Essentially inflammation of anterior chamber of the eye
List clinical features of anterior uveitis
Vision may be reduced
Circumcorneal red eye
Outline management of anterior uveitis
Antimicrobial if infection
Which conditions are associated with episcleritis?
Where does inflammation occur in episcleritis?
Between conjunctiva and sclera