EXAM 1

Question 1

What percentage of disabling injuries are ocular per year?

Answer 1

4%

Question 2

There are estimated _ eye injuries in the workplace every day. Prevent Blindness American states that as many as _% could be prevented from eye protection

Answer 2

2000; 90%

Question 3

_% of 9 million disabling injuries occur at work, the majority occur WHERE?

Answer 3

2; outside of work (>50% at home)

Question 4

when safety eyewear is needed, you must _

Answer 4

prescribe!!

Question 5

4 occupational health responsibilities:

Answer 5

1. prevent accidents
2. prevent injury when accidents do occur
3. treat and remediate injuries
4. optimize performance

Question 6

optometric occupational health services:

Answer 6

pre-employment evaluations, periodic exams, rehab and post injury care, evaluation of potential hazards, standards/policy determination, eye and health education

Question 7

4 questions to ask at every exam:

Answer 7

1. Why are you here?
2. Do you see well?
3. Are your eyes comfortable?
4. Have you had any eye injury or surgery?

Question 8

_ leads the exam

Answer 8

history

Question 9

3 purpose of standards:

Answer 9

1. consistent naming/nomenclature
2. quality control
3. protect patients/public

Question 10

are ANSI standards law?

Answer 10

no, but they are recognized by courts

Question 11

ASTM?

Answer 11

American Society for Testing and Materials - a yellow tag on their approved products

Question 12

Clinical Care Standards: (4)

Answer 12

1. supports decision making (CLs vs specs)
2. Guidance on clinical protocols (lens material recommendation)
3. support in lawsuit (topography for LASIK pt)
4. updates on current trends/practices

Question 13

MCOLES (CJ) exam: far AND near VA needs to be 1 of 2:

Answer 13

uncorrected 20/20 in each eye

corrected 20/20 in each eye

Question 14

MCOLES requires testing and passing of which 2 color vision tests? Refractive correction is allowed, but any lens to support color perception is NOT.

Answer 14

1. pseudoisochromatic plates (if pass plates, panal test not needed)
2. Farnsworth dichotomous d-15 panel test

Question 15

MCOLES: peripheral vision in each eye of _ degrees vertically, and _ degrees horizontally

Answer 15

90, 120

Question 16

MCOLES: normal binocular vision is determines by testing and passing _

Answer 16

stereopsis test to 80’ or better

Question 17

MCOLES: if 80’ of stereoacuity cannot be passed, further testing must be conducted to rule out _

Answer 17

diplopia

Question 18

MCOLES: during health evaluation, make sure CJ pt is not wearing _

Answer 18

red CLs or other x-chrom lenses

Question 19

for CJ exam, perform which 3 extra tests?

Answer 19

1. color vision
2. stereopsis
3. visual fields

Question 20

for CJ color vision: Ishihara 14 PIP:
binocular or monocular?
have patient wear _
illuminate test with MacBeth Illuminant C only, room lights _
give pt _ seconds to see plate
give pt how many plates?
_ errors is a fail

Answer 20

monocular
gloves
off
2-3 seconds
all 14 plates
4 plates

Question 21

for CJ stereopsis: Wirt Rings
must achieve _ ‘ or arc
if not, others tests to check for _

Answer 21

80

diplopia

Question 22

for CJ visual field: automated 120 screening or FDT and confrontations
must have _ degrees vertically and _ degrees peripherally

Answer 22

90, 120

Question 23

3 categories of visual factors while driving?

Answer 23

1. driver
2. vehicle
3. environment

Question 24

5 things to assess visual task/demand:

Answer 24

1. job description
2. task size
3. working distance
4. peripheral vision requirements
5. visual attention

Question 25

problem with LCD driving displays?

Answer 25

positive (black letters, white background) negatie (white letters, black background) often polarized

Question 26

bright day = high contrast = moving fast perception fog = low contrast = perception of moving slower = _

Answer 26

we speed up

Question 27

UNRESTRICTED Michigan Driver's License Requirements: VA: _ VF horizontally: _

Answer 27

``` 20/40 OU UNcorrected 140 degrees (110-139 if pt submits statement of exam from dr) ```

Question 28

RESTRICTED (CORRECTIVE LENSES) license is _

Answer 28

same as unrestricted, but must wear corrective lenses

Question 29

RESTRICTED (DAYTIME ONLY) VA: _ VF: _

Answer 29

20/50-70 and no recognizable progressive ocular abnormalities 20/50-60 with recognizable progressive abnormalities 109-90 degrees

Question 30

COMMERCIAL DRIVERS LICENSE (CDL): same as other requirements, plus _

Answer 30

color vision

Question 31

if your patient fails driver's license requirements, are you required to report?

Answer 31

no

Question 32

if you choose to report to DMV, they cannot accept _ requests for driver evaluation

Answer 32

annonymous

Question 33

_% on information ins driving is visual

Answer 33

90

Question 34

CLs were initially thought to be hazardous 1978 - CLs were _ 2004 - changed to _

Answer 34

banned from wearing in many industrial environments especially those with chemicals "should not be worn" when working with chemicals

Question 35

National Institute for Occupational Safety and Health (NIOSH) - Current Intelligence Bulletin 59 - CL use in _ environment - safety guidelines to follow ^

Answer 35

chemical

Question 36

reasons to wear CLs at work: | long term CL wearers may struggle with _ when switching between CLs and glasses

Answer 36

spatial adaptation

Question 37

reasons to wear CLs at work: | if _ instruments are used

Answer 37

optical

Question 38

reasons to wear CLs at work: | for occupations with _

Answer 38

respirators

Question 39

CLs may be necessary to improve VA for job tasks: | what conditions?

Answer 39

keratoconus, cornea transplant, cosmetic

Question 40

reasons to wear CLs at work: | high _ areas

Answer 40

humidity

Question 41

reasons to wear CLs at work: | environments with _

Answer 41

vibration and high G forces

Question 42

reasons to wear CLs at work: | CLs cause no _ limitation

Answer 42

visual field

Question 43

considerations when rxing CLs for work: (3)

Answer 43

environmental conditions, limitations (bf, monovision, length of workday), emergency procedures (irrigate when in doubt, always have case and solution)

Question 44

sports lenses to prevent contact with face/head:

Answer 44

ASTM F-803 (this is the most you can do)