Frame Parts
What types of frame bridges are there?
Saddle,Modified,Keyhole,Comfort and Pad Bridge
Astigmatism is corrected by a lens having?
what is a cylinder power
Plus lenses _____and minus lenses ___?
What is Magnify, Minify
What is the Ishihara test?
what is the test used to detect problems with our cone cells/color problems
What age do you give a pair of polycarbonate frames to?
What is 18 and under
How many temple types are there?
There are 4 types of temples
comfort, riding bow,library and skull temples
What lens is used to correct myopia?
What is a minus lens
Name one symptom of Myopia?
What is blurry vision when looking at distant objects/ being nearsighted
What is the Amsler Grid?
What is the testing tool used to detect vision loss due to Age-Related Macular Degeneration
Eyeglass prescription powers are written in ___?
What is Diopters
What type of frame temple is used for sports?
what is Riding Bow
what type of lens is convex?
what is a plus lens
What is the word used to describe the condition were a refractive error is present?
what is Ametropia
Males are more likely to be color blinded because?
Males have one X and one Y chromosome
Females have two X chromosomes.
Color vision is linked to the X chromosome
Accommodation is defined as _______?Hint:has something to do with the crystalline lens
The act of the crystalline lens changing its shape to focus for objects at varying distances
Which type of frame bridge has plastic nose pads that is attached to the back?
What is modified saddle bridge
The refractive index of CR-39 is:
What is 1.498
A lens of -2.00 +2.00 x 090 power corrects
Simple myopic astigmatism
Signs of a Posterior Vitreous Detachment?
- Floaters (Cobwebs, hair like structures, worms, and black dots)
- Flashing lights
When the direction of light changes as it passes from one medium to another, it is called?
What is reflection
Which type of bridge is ideal for patients with a small or flat nose bridge?
What is keyhole bridge
Which material is known for its superior impact resistance?
What is Polycarbonate
Transpose this +2.45 -3.00 x 123
Answer is +0.55 - 3.00 x 33
What are the parts of the Conjunctiva?
1. Bulbar Conjunctiva
2. Palpebral Conjunctiva
3. Fornix (where bulbar and palpebral meet)
A lens of Plano +1.00 x 090 power corrects
Simple Hyperopic Astigmatism