Exam (elaborations)

ABO Exam with complete solutions (Updated) 2024

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ABO

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ABO

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Uploaded on September 3, 2022
Number of pages 36
Written in 2022/2023
Type Exam (elaborations)
Contains Questions & answers

the fibrous tunic
abo exam with complete solutions 2022
the extra ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions there are of these muscles

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ABO Exam with complete solutions 2022
The extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______of these muscles. - Answer Six
The fibrous tunic is comprised of the: - Answer Sclera and cornea
Fusion occurs: - Answer In the brain
The aqueous fluid is continually being manufactured by: - Answer The ciliary body
The ability of the eye to bring objects of varying distances to focus on the retina is known as: - Answer Accommodation
When accommodation is at rest, rays of light from a distant source come to focus behind the retina. This condition is known as: - Answer Hyperopia
Impulses are carried from the retina to the brain along the: - Answer Optic nerve
That area of the retina capable of perceiving the greatest amount of detail is: - Answer Fovea centralis
The average cornea has a refractive power of approximately: - Answer 43 diopters
The layer of the cornea which is highly regenerative is: - Answer The epithelium
Night vision is chiefly a function of the: - Answer Rods
A tendency of the visual axis to deviate inward while the eyes are in a position of rest is known as: - Answer Esophoria
A "farsighted" eye is one that is: - Answer Hyperopic
The term used to indicate "double vision" is: - Answer Diplopia
The condition in which the ability to accommodate for near vision becomes inadequate because of loss of elasticity of the crystalline lens is called: - Answer Presbyopia
When there is a loss of vision without any apparent disease of the eye it is known as: - Answer Amblyopia
A refractive error in which the rays of light do not come to a single point of focus is called: - Answer Astigmatism
The condition in which the crystalline lens of the eye gradually loses its transparency with consequent loss of visual acuity is known as: - Answer Cataract ABO Exam with complete solutions 2022
An ocular disease having as its primary characteristic a sustained increase in intraocular pressure. - Answer Glaucoma
The space between the front of the iris and the innermost portion of the cornea (the endothelium), this space is filled with aqueous. - Answer Anterior chamber
A tendency of one eye to deviate upward is: - Answer Hyperphoria
The layer of the cornea which comprises ninety percent of its thickness is: - Answer The
stroma
A condition in which the refractive error of one eye significantly differs from that of the other and where both eyes have the same sign (i.e. both eyes are myopic or hyperopic) is known as: - Answer Anisometropia
The refractive error which results in two points of focus falling behind the retina is: - Answer Compound hyperopic astigmatism
The refractive condition caused by a damaged cornea so that rays of light come to many focal points on the retina is known as: - Answer Irregular astigmatism
The index of refraction of the crystalline lens is: - Answer 1.42
The index of refraction of the cornea is: - Answer 1.37
Myopia means the eye
A. is nearsighted B. has distance blur C. requires a (-) minus lens D. all of the above - Answer D. all of the above
The Retina contains A. lab tools
B. lens information C. light receptors D. understock of frames - Answer C. light receptors
Hyperopic people have difficulty seeing A. distance objects B. near objects C. everything
D. nothing - Answer B. near objects
How many ranges of vision do bifocals provide?
A. one
B. Three ABO Exam with complete solutions 2022
C. Two D. Infinite - Answer C. Two
The top portion of a bifocal allows wearers to see: A. objects in the distance B. a & c
C. objects beyond arm's length D. objects up to 18 inches - Answer B. a & c
Characteristics of a plus (+) lens include: A. thin center
B. minifies objects C. converges light rays D. corrects myopia - Answer C. converges light rays
Polycarbonate lens material is: A. heavy B. tintable C. most impact resistant material D. totally scratch resistant - Answer C. most impact resistant material
Which of the following would be considered a lens enhancement? A. polycarbonate B. anti-reflective coating C. progressive D. thin center - Answer B. anti-reflective coating
Ultraviolet protection (UV) is not important to A. children B. women C. elderly patients D. none of the above - Answer D. none of the above
The following information is required on a written prescription:
A. doctor's name
B. doctor's signature
C. date D. all of the above - Answer D. all of the above
The front surface of lenses can be measured using a ____________. - Answer Lens clock (Geneva lens measurer).
High plus lenses will produce _________________ distortion while high minus lenses will produce _____________ distortion. - Answer Pin cushion and barrel. ABO Exam with complete solutions 2022
The unit of measurement for a wavelength of light is called _____________. - Answer Nano-meters (nm)
The speed at which light travels is ______________, while _______________ refers to the number of wave vibrations per second. - Answer Velocity, Frequency.
Give the wavelength range for UVA: __________ UVB: __________ UVC: ___________. - Answer UVA: 315-380 nm
UVB: 290-315 nm
UVC: 210-290 nm
Wavelengths in the ______________ colored part of the spectrum are thought to provide the clearest vision. - Answer Green
The focal length of a .50 D lens is _________________. - Answer 2 meters.
There are _________________ millimeters in one meter. - Answer One thousand
The color in the visible spectrum with the shortest wavelength is _________________. -
Answer Violet
Wavelengths that are "in phase" produce:
A. destructive interference B. high frequencies C. a big reflection D. no reflection - Answer C. a big reflection
Anti-reflective coating causes an ______________ situation. - Answer out of phase (destructive interference)
Minus lenses combine prisms: A. base to base
B. apex to apex
C. apex to base
D. front to bakc - Answer B. apex to apex
Characteristics of a plus lens include: A. "with motion" B. real focal point C. concave in shape
D. strengthens as vertex shortens - Answer B. real focal point
A prism re-directs light towards its ______________ while the object viewed will appear to be displaced towards the ________________. - Answer Base; Apex.
In mixed astigmatism:

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