Eye Anatomy
The white part of the eye.
What is the sclera?
The device that makes OD's famous for the question "one or two?"
What is a phoropter?
The vertical measurement in millimeters from the bottom of the lens in frames, to the beginning of the a progressive lens, or the top line of a lined bifocal.
What is segment height (seg height)?
This is a condition in which a person doesn't have enough quality tears to lubricate and nourish the eye.
What is dry eye?
Refractions are billed with this CPT code.
What is 92015?
The part of the eye which controls the amount of light entering into the eye.
What is the iris (or pupil)?
Using a high-intensity light source, this device looks for any diseases or abnormalities in the anterior portion of the eye.
What is a slit lamp?
One who is diagnosed with an eye disorder where your eyes don't work as a team and may require prism is said to have this.
What is Convergence Insufficiency?
With this condition, a person cannot see things clearly unless the object is relatively close to the eyes.
What is myopia (nearsightedness)?
The patient charge for a SPH contact lens fit/refit.
What is $74?
The two types of photoreceptors that are responsible for sending signals (images) to the brain?
What are rods and cones?
An OD uses this to shine light into the patients eye to observe the reflection off of the retina.
What is a retinoscope?
Ability to see for a great distance but not up close.
What is hyperopia (farsighted)?
With this medical condition, the lens of the eye becomes progressively opaque.
What is a cataract?
CPT code used in conjunction with 92015 for diabetic eye exam?
What is 99214
This is a semiliquid, jellylike substance that helps maintain the spherical shape of the eye.
What is the vitreous humor (vitreous body)?
A chart used to measure visual acuity.
What is a Snellen chart?
Worn primarily to correct double vision, positional correction, or convergence correction.
What is prism?
This condition causes increased pressure within the eyeball, causing gradual sight loss.
What is glaucoma?
The 2 codes are required to be billed to new patients having a healthy routine eye exam?
What is 92004 and 92015?
The exact center of the retina that is known for having the greatest visual acuity.
What is the fovea?
Instrument used for measuring the curvature of the anterior surface of the cornea.
What is a keratometer (ophthalmometer)?
The conversion of the prescription from minus cylinder notation to plus cylinder notation, and vice versa.
What is transposition (transposing Rx)?
A disease caused by the deterioration of the central portion of the retina.
What is macular degeneration (MD)?
A patient has this type of insurance when they have a $240 deductible and 80% coinsurance.
What is medicare?