What is Contact Lenses?

Category: Equipment

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Contact lenses are a a rigid circular shell with a soft hydrophilic skirt. When placed on the cornea, it acts as a refracting medium to focus light rays on the retina. It is used as an alternative to eye glasses to correct vision.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Shortsightedness 4 5
Vision problems 3 2
Allergic conjunctivitis 1 0
Bacterial conjunctivitis 1 0
Keratoconus 1 2

  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe
2
Moderate
0
Mild
3
None
2

Commonly reported side effects and conditions associated with Contact Lenses

Side effect Patients
Dry eyes 2
Conjunctivitis (pink eye) 1
Corneal abrasion 1
Dizziness 1
Keratitis 1
Light sensitivity (photophobia) 1

Show all 7 reported side effects

Dosages

Based on patients currently using Contact Lenses

Dosage Patients
1 other monthly 1

Why patients stopped taking Contact Lenses

Multiple reasons could be selected

Reason Patients
Did not seem to work 2
Other 2
Doctor's advice 1
Side effects too severe 1
See all 3 patients who've stopped using Contact Lenses

Duration

Currently using Contact Lenses

Duration Patients
2 - 5 years 1

Stopped using Contact Lenses

Duration Patients
1 - 6 months 1
6 months - 1 year 1
2 - 5 years 1
Adherence
Adherence Evaluations
Always 6
Usually 0
Sometimes 0
Never taken as prescribed 1
Burden
Burden Evaluations
Very hard to take 0
Somewhat hard to take 4
A little hard to take 1
Not at all hard to take 2
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 2
$50-99 2
$25-49 1
< $25 1
Not specified 1
Last updated:
There are no evaluations for Contact Lenses.