Hyperopia

Question 0

.NPA result expected for uncorrected hyperope

Answer 0

Lower than expected b/c use some acc to overcome hyperopia

Question 1

.Types of hyperopia based on compensating acc

Answer 1

1) Facultative hyperopia - Amount of hyperopia that can be overcome by acc

vs.
2) Absolute hyperopia - Amount of hyperopia that can NOT be overcome by acc

Question 2

.Factors that can affect ability to compensate for hyperopia

Answer 2

1) Fatigue (general and ocular)
2) Illness
3) Mental state
4) Alcohol
5) Drugs/Meds
6) Age (esp as approach presbyopia)
7) Lighting

Question 3

.Components of total hyperopia

Answer 3

Sum of…

1) Manifest hyperopia - Revealed by
non-cycloplegic methods of ref

2) Latent hyperopia - Usually masked by acc - Revealed by cycloplegics (paralyzes acc)

Question 4

.Calc latent hyperopia

Answer 4

Amount of hyperopia w/o cycloplegics
minus
Amount of hyperopia w/ cycloplegics

Question 5

.Calc absolute hyperopia

Answer 5

Latent hyperopia
minus
How much a patient can acc when viewing distant obj

Question 6

.Symptoms of hyperopia

Answer 6

1) Asthenopia (eyestrain)
2) Tired eyes
3) Headaches
4) Blurry vision (esp at near)
5) Intermittent blur / Fluctuating vision
6) Occasional diplopia

Question 7

.Signs of hyperopia

Answer 7

1) Miosis

2) Esophoria

Question 8

.Rx of about 2/3 of all hyperopia

Answer 8

< or = +3.00

Question 9

.Types of hyperopia (based on Rx)

Answer 9

1) Low (< +2.00)
2) Med (+2.25 to +5.00)
3) High (> +5.00)

Question 10

.Distrib of RE for full-time infants at birth

Answer 10

Wide

Mean +2.00

Question 11

.Reason for hyperopia shift in older adult

Answer 11

Cortical cataract

Systemic disease

Question 12

.Juvenile-onset vs. Adult-onset myopia

Answer 12

Onset btwn 8-12 years

vs.

Onset btwn mid-20s to mid-30s