PT10: Ophthalmic Symptoms

Question 1

what are the red flags with eye complaints

Answer 1

clouding of cornea, distortion of vision, irregular shped pupil, photophobia, foreign body, contact lenses

Question 2

when does dry eye occur

Answer 2

when there is a problem with the tear film that normally keeps the eye moist and lubricated
caused by lack of tear production or increased evaporation of the tears

Question 3

what are the symptoms of dry eye

Answer 3

dryness, grittiness, soreness in both eyes, vision might be affected, watering of the eyes, particularly when exposed to wind

Question 4

what are some tests used for diagnosis

Answer 4

observaation in addition to Fluorescein’s test, Schirmer’s test, tear break up time

Question 5

what could alternative diagnosis to dry eye be

Answer 5

conjunctivitis, Sjogren’s syndrome, filamentary keratitis, infectious diseases, corneal damage

Question 6

how are liposomal sprays used

Answer 6

increase lipid layer thickness and tear film stability following application
they mimic what happens naturally when lipids are secreted from the meibomian glands

Question 7

what are the benefits of liposomal sprays

Answer 7

specifically address the disrupted lipid layer in evaporative dry eye, stabalise the outer lipid layer, last for up to four hours, can be used by contact lens wearers, easy to use, long expiry date

Question 8

what are the disadvantages of liposomal sprays

Answer 8

not mentioned in guidelines, expensive, not allowed on prescription