Expected amplitude of accommodation (Hofstetter)

Minimum, average, and maximum expected accommodation for age.

Previewv0.1.0 · Pending clinical review

Inputs

0 of 1
years
Optional
D

Patient values are shared with every calculator.

When to use
  • Assessing accommodative insufficiency and presbyopia.
Pearls and pitfalls
  • A measured amplitude below the minimum suggests insufficiency.
Why use

All three expectations in one view.

Ampmin=15−0.25×Age
Ampavg=18.5−0.3×Age
where
Age
Years

Share and cite

Report a concernRequest a calculator