ANATOMY
PHYSIOLOGY
OPTICS
POTPOURRI
TERMINOLOGY
400

Structure that provides the most refractive power in the visual system.

What is the cornea?

400

Refractive error where the cornea has two curvatures, is shaped like a football.

What is astigmatism?

400

Another name for a convex lens.

What is a converging lens?

400

Percentages of Phenylephrine and Ketorolac that make Omidria.

What is 1% and 0.3%?

400

Both eyes work together in this type of vision.

What is binocular?

800

Continuous transparent layer of cells that cover the white part of the eye.

What is the conjunctiva?

800

Inability of the eye to see at near because the lens loses it's ability to change shape or accommodate.

What is presbyopia?

800

A concave lens is used to correct which type of refractive error.

What is myopia?

800

RayOne YAG rate.

What is 1.7%?

800

Oculus Unitas (OU) is the name used for.

What is both eyes?

1200

Chamber of the eye that is filled with a jelly like clear fluid.

What is the posterior chamber?

1200

The cornea receives oxygen from two main sources.

What are the atmosphere and tears?

1200

Refractive error where the eye is too short and weak light rays focus behind the retina.

What is hyperopia?

1200

"UDVA" meaning when vision is tested.

What is uncorrected distance visual acuity?

1200

The cornea has how many layers.

What are five?

1600

The region where the white part and the color part of the eye meet.

What is the limbus?

1600

Cells in the retina that help see color and detail.

What are cones?

1600

A lens that is two prisms placed apex to apex.

What is a concave lens?

1600

Nozzle size of RayOne.

What is 1.65 mm?

1600

A person that needs no visual correction is called.

What is emmetropia?

2000

This structure is responsible for 25% to 35% of light bending.

What is the crystalline lens?

2000

The refractive power of the cornea.

What is +45D?

2000

Type of astigmatism where the cornea is curved along the horizontal axis and the minus power axis is vertical or 90 degrees.

What is against the rule astigmatism?

2000

Power range for RAO600C.

What is +8.0D to +34.0D?

2000

The measurement of the "quality" of vision or crispness.

What is contrast sensitivity?

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