Eye Conditions - What/Causes Flashcards
What is Meibomian gland dysfunction (MGD)
Blockage of the meibomian glands
What is the cause of MGD?
When the glands in your eyelids are blocked or obstructed.
What is Giant Papillary Conjunctivitis (GPC)? (3)
Papillae (nipple) on tarsal, cobblestone appearance
Conjunctival Redness
Conjunctival Oedema
What can cause GPC? (3)
Excess lens movement
Coated contact lens
Mucus discharge
What is a Pinguecula? (3)
Fat cysts on sclera
Yellow/Pink Growth
Common
What can cause Pingueculas? (4)
UV
Dust
Wind
UV exposure
What is a Pterygium? (3)
A growth that usually starts nasally
Can grow onto the cornea
Asymptomatic
What can cause Pterygium? (4)
UV
Dust
Wind
People who spend time outdoors
What is Blepharitis? (2)
Dandruff on eyelashes
2 types bacterial inflammation + sebaceous inflammation
What can cause Blepharitis? (4)
Allergies
Poor Hygiene
Sebaceous - Oily eyelids/ lashes, swollen and/or itchy lids
Bacterial - crusty lids, yellow discharge, red lids
What is a Hordeolum/Stye? (2)
Red, painful bump on eyelid
Normally on edge of eyelid
What can cause a Hordeolum/Stye? (2)
Infection
Plugged Sebaceous glands (hair follicle)
What is a Chalazian? (2)
Painless bump in your eyelid
Usually upper lid
What can cause Chalazians? (3)
Blocked oil glands
Chronic blepharitis
Viral Infection
What is a corneal ulcer?
Erosion or open sore on cornea
What can cause corneal ulcers? (6)
Can be Bacterial, Viral, Parasite or Fungal infections.
Corneal Abrasion, foreign body imbedded in CL
Improper Hygiene
Cls Worn Overnight
Abuse of Cls
Cls solution contaminated
What is Keratoconus? (2)
Degenerative disease of the cornea
Cornea gets thinner + bulges forward
What can cause keratoconus? (2)
Genetics
Eye Rubbing - hayfever, eczema, atopic dermatitis
What is an imbedded foreign body?
Something stuck in eye
What can cause an imbedded foreign body? (3)
Accident
Projectile/ Blow to the eye
Something trapped by cl or lids
What is Conjunctivitis/Pink Eye? (5)
Inflammation
Red and Itchy eyes
Discharge
Eyelids can be hard to open after sleep due to crusty eyes
No pain to Painful