Quiz 4 Flashcards
The refractive error that most likely has environmental contributing factors is:
A. myopia *
B. hyperopia
C. astigmatism
D. presbyopia
Pseudomyopia can be corrected using minus lenses.
True
False *
Hyperopia that is uncovered during a cyclopegic refraction and is added to the latent hyperopia is known as:
A. manifest
B. latent
C. total *
D. hyperopia
Pseudomyopia is a condition of on-going spasm of accommodation and requires plus lenses to correct.
True *
False
Total hyperopia, plus latent hyperopia, equal manifest hyperopia.
True
False *
All if the following conditions require full correction of hyperopia except:
A. maximum acuity needed at distance *
B. marked eyestrain
C. decreased amplitude of accommodation
D. constant esotropia
Residual astigmatism is due to:
A. anterior corneal surface
B. posterior corneal surface
C. lenticular surface
D. both b and c are correct *
Fogging or cyclopligics is commonly used to bring out latent hyperopia to manifest.
True *
False
All of the following conditions require partial correction of hyperopia except:
A. large amounts of latency
B. exophoria
C. esophoria *
D. very young patient
An example of an objective refraction is:
A. subjective refinement
B. retinoscopy or autorefraction *
C. near point add test
D. ocular motility tests
Methods that have been used to control myopic progression include all of the following except:
A. base out prism *
B. visual training
C. bifocal correction
D. contact lenses
An astigmatic correction with its steepest power at 90 degrees is considered:
A. with the rule *
B. against the rule
C. oblique
D. lenticular
The most common refractive error in the general population is:
A. myopia
B. astigmatism *
C. presbyopia
D. exophoria
Over accommodation can cause all of the following symptoms except:
A. nausea
B. headache
C. browache
D. divergent strabismus *
Congenital myopia is normally acquired with excessive work on computers.
True
False *
Irregular astigmatism occurs when the principal meridians are 90 degrees apart at an oblique axis.
True
False *
Accommodation that is uncovered during a normal cycloplegic refraction is known as:
A. manifest *
B. latent
C. total
D. hyperopia
The most stable refractive error which rarely changes over time is:
A. myopia
B. hyperopia
C. astigmatism *
D. presbyopia
A place where there is a high incidence of myopia is:
A. Puerto Rico
B. Africa
C. China *
D. Hawaii
An astigmatic correction with its steepest power at 180 degrees is considered:
A. with the rule
B. against the rule *
C. oblique
D. lenticular
Accommodation not uncovered during a normal non cycloplegic refraction is known as:
A. manifest
B. latent *
C. total
D. hyperopia
Asthenopia is a symptom of an uncorrected refractive error.
True *
False
A place where there is a low incidence of myopia is:
A. United States/North America
B. China
C. Large urban cities
D. Africa *
Excessive near work or computer use can lead to acquired myopia.
True *
False
Of all of the refractive errors, myopia is the only one to show definite environmental factors on the incidence, distribution, degree and changes.
True *
False
