Normal Size Small Size show me how
ABO (NOCE) Practice
Q&A Chapter 1 Anatomy & Physiology
|What is the approximate speed of light?
|186,000 miles per second
|What is the exact speed of light?
|186, 282 miles per second
|What layer makes up 90% of the Cornea?
|About how thick is the Cornea at it's center?
|About how many Cones does each Retina Contain
|About how many Rods does each Retina contain?
|What is the index of refraction for the Cornea?
|What is the index of refraction for the Crystalline Lens?
|What 3 layers comprise the Fibrous Tunic (Outer Layer)
|The Sclera, Cornea, and Limbus
|What 3 layers Comprise of the Vascular Tunic (Middle Layer)
|The Iris, Ciliary body, and the Choroid
|What does the Neural Layer consist of? (Inner Layer)
|What is Diplopia?
|How many muscles move each eye?
|What is the term for a functional eye that for some reason becomes a non-seeing eye?
|A tendency of the eye deviating inwards
|When the eye is always inward
|When the diopter powers are greater than 2.00 diopters between the left and right eye
|When the powers in one eye are opposite of the other (I.E. OD = -2.00 OS =+1.00)
|The term for Nearsighted
|The term for Farsighted
|When both points of light come to focus behind the retina
|Compound Hyperopic Astigmatism
|When one point of light comes to focus on the retina and the other point of light comes to focus in front of the retina
|Simple Myopic Astigmatism
|When both points of light come to focus in front of the retina
|Compound Myopic Astigmatism
|When one point of light comes to focus on the retina and the other point of light comes to focus behind the retina
|Simple Hyperopic Astigmatism
|What does Konia mean?
|What does Iseikonia mean?
|Same size images
|What is the term for when the eyes focus inward to read?
|What chart is used to evaluate visual acuity at 20 feet or ocular infinity?
|The Snellan Chart
|What is the term for an eye without a crystalline lens or an eye with a crystalline lens that is unusable?
|What is the name of the chart that checks for near visual acuity? Referred to as the J4 or J2 chart
|The Jaeger Chart
|The device to measure intraocular pressure
|What is the Ishihara test?
|What device is used to see the interior of the eye?
|What device is used for visual acuity refinement by a series of trial lenses
|What is the term for having two differently colored eyes (irises)
|If a person has 20/200 or worse for vision, they are considered...
|What does NLP stand for?
|No Light Perception
|The refractive power of the average cornea is equal to about ______ diopters.
|The refractive power of the average crystalline lens is about ______ diopters.
|The _______ provides nutrients to the retina and other parts of the eye.
|The ______ provides protection and helps maintain the eye's shape.
|The ____ regulates the amount of light entering the eye by changing the size of the pupil.
|The _____ _____ carries impulses from the retina to the brain.
|What are the three spaces (or chambers) of the eye?
|The Anterior chamber, Posterior Chamber and Vitreous Chamber (or Cavity)
|The Cornea consists of ____ distinct layers.
|What is the first layer of the Cornea?
|What is the second layer of the Cornea?
|What is the third layer of the Cornea?
|What is the fourth layer of the Cornea?
|What is the fifth layer of the Cornea?
|The optic nerve takes a route that includes a crossover area known as the _____ _______
|The adjustment of the Crystalline Lens is called _____________
|The transparent lens located behind the iris and the pupil is called...
|The Crystalline Lens