LASIK
What does LASIK do?
It helps eyesight improve.
What does cataract surgery do?
It fixes fuzzy vision.
What were the first glasses like?
They were glass tubes filled with water.
What is the lowest frequency of color?
Red.
What percent of people have blue eyes?
8%
Can you drive after the procedure?
No.
How does a cataract form?
It forms when the protein in your lens clump.
What do glasses do?
They bend light waves so we can see.
What part of your eye helps us see color?
The retina.
Cataract surgery takes 30 minutes.
True.
How long does each eye take?
15 minutes.
What does the doctor use to break the lens?
An ultrasound probe.
What does refraction do?
It changes the direction of light rays.
Can our eyes detect green?
No.
What percent of people have astigmatism?
33%
How do they make a corneal flap?
They use a microkeratome.
What is the most common way of removing cataracts?
Phacoemulsification.
What two parts of your eye work together to refract light?
The cornea and lens.
What cells in our retina make it so we can see color?
Cones and rods.
What is the most common eye color?
Brown.
How do they do it?
They use tiny lasers to vaporize part of your cornea to reshape it.
What is placed after they take out the broken pieces of the lens.
An artificial interocular lens is placed.
List the types of vision?
Myopic, hyperopic, astigmatism.
How many cones do we have? What colors can they detect?
Three; three.
Why do we have eyes in the front of our heads?
Because we are predators.