Keratometry
Layers
What's your problem?
My eyes, they cry
We've made Contact
100
The keratometer measure this
What is curvature of the cornea
100
These are the five layers of the cornea
What is Epithelium, Bowman's, Stroma, Decemet's and Endothelium
100
This is a steepening of the cornea
What is keratoconus
100
These are the layers of the tear film
What are Lipid, Lacrimal and Mucoid
100
This is the man awarded the first patent for a corneal contact lens
Who is Tuohy
200
The two meridians the keratometer measures
What are the horizontal and vertical meridians
200
These are the two layers of the cornea that scar
What are Bowman's and Stroma
200
This is when your eyelids are red, swollen and have dandruff
What is Blepharitis
200
This is the layer of tears that is relatively watery
What is the lacrimal
200
The first company to market soft lenses in the US
Who is Bausch and Lomb
300
The normal range of the keratometer
36-52
300
This is the layer responsible for 'deturgescence'
What is the endothelium
300
This is the turning in of the eyelid
What is entropian
300
This is the layer of the tear film that is responsible for preventing evaporation
What is the lipid layer
300
What material is used to manufacture soft contact lenses
What is HEMA
400
The keratometer measures this much of the cornea
What is 2-3 mm
400
This is the definition for 'deturgescence'
What is a state of relative dehydration necessary to maintain the transparency of the cornea
400
This is a triangular fold of growing membrane that may extend over the cornea from the sclera
What is Pterygium
400
This is the largest layer of the tear film
What is Lacrimal
400
Who is credited with the concept of corneal neutralization and replacement by a lens placed in contact with the eye
Leonardo Di Vinci
500
When the horizontal and the vertical meridians are not 90 degrees apart
What is irregular astigmatism
500
This is the where the corneal epithelium gets its main supply of oxygen
What is the atmosphere
500
This is an inversion of the eyelashes
What is trichiasis
500
These are the four things the tear film does for the eye
What is Lubricates, protects from foreign particles, reduces risk of infection and keeps the surface smooth and clear
500
This was the first material used in making scleral lenses
What is Glass
M
e
n
u