OPT 260 TEST EXAM |GUARANTEED PAS 2024.2025 |ACCURATE ANSWERS
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Course
OPT 260
Institution
OPT 260
All of the following statements regarding aspheric lens designs are true except:
It is important to always use monocular interpupillary distances.
Aspheric lenses are flatter, thinner and provide a lesser field of view.
Aspheric designs are recommended for powers greater than +/- 3.00 D
...
OPT 260 TEST EXAM |
GUARANTEED PAS 2024.2025 |
ACCURATE ANSWERS
All of the following statements regarding aspheric lens designs are true
except:
It is important to always use monocular interpupillary distances.
Aspheric lenses are flatter, thinner and provide a lesser field of view.
Aspheric designs are recommended for powers greater than +/- 3.00 D
There is an adaptation period when switching from conventional
spherical lenses to an aspheric design. - ACCURATE ANSWERS✔✔
Aspheric lenses are flatter, thinner and provide a lesser field of view.
Safety is of great importance to which of the following classes of
persons (select all that apply):
If the weaker eye has a corrected visual acuity of less than 20/40
Children
Athletes
,Occupations that put people at risk for ocular injury
Eyes that have a reduced capacity to withstand trauma - ACCURATE
ANSWERS✔✔ If the weaker eye has a corrected visual acuity of less
than 20/40
Children
Athletes
Occupations that put people at risk for ocular injury
Eyes that have a reduced capacity to withstand trauma
STM F803 covers all of the following sports, except:
Basketball
Baseball
Football
Tennis - ACCURATE ANSWERS✔✔ Football
What are the three requirements a safety lens must have to pass basic
impact testing? - ACCURATE ANSWERS✔✔ - 1/4inch ball, dropped at
150ft/sec
-2mm minimum
-manufacturers logo and a + sign
-high mass test
, The label or tag on a ASTM sports eyewear product must include what
items? - ACCURATE ANSWERS✔✔ 1. The manufactures identity
marking
2. The eye protector model identity label or tag
3. Week and year of manufacture
4. A clear statement on the package as to the sport of sports of which the
protector was designed
5. The prosecutor size and also guidance concerning the age and gender
of the wearer that the protector has been designed for
What are the cosmetic negatives of a lenticular design? What lens was
developed to overcome the negatives of a lenticular design? -
ACCURATE ANSWERS✔✔ the main drawback of the lenticular design
is looking. even for small eye sizes, the edge of the aperture is usually
visible. if the frame eye size is too large the lens looks like the yolk of a
fried egg. the development of high plus multidrop lenses was in an effort
to overcome the cosmetic negatives of the lenticular design
Occupational progressive addition lenses are only available as a near
variable focus design. - ACCURATE ANSWERS✔✔ FALSE
The outermost area of a lenticular is called: - ACCURATE
ANSWERS✔✔ Carrier
Describe the "Double D" multifocal and list three occupations that
would best benefit from its use - ACCURATE ANSWERS✔✔ has lower
and upper seg --> usually 13-14 mm apart
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