Eye care
5 of 351 calculators
- VertexVertex distance conversionConverts spectacle power to the effective power at the cornea (contact lens) and back.
- TransposeCylinder transposition and spherical equivalentPlus-to-minus cylinder transposition with spherical equivalent.
- Amp accExpected amplitude of accommodation (Hofstetter)Minimum, average, and maximum expected accommodation for age.
- IOP-CCTIOP adjusted for central corneal thickness (Ehlers)Approximate Goldmann IOP adjusted for central corneal thickness with the Ehlers linear correction. An approximation only.
- VA convertVisual acuity conversion (Snellen, decimal, logMAR)Converts visual acuity between Snellen feet (20/x), Snellen meters (6/x), decimal acuity, logMAR and MAR.
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