Kestenbaum’s rule (Strength of reading plus lens)

By posted on May 17, 2015 8:12AM
Kestenbaum’s rule (Strength of reading plus lens)

Kestenbaum’s rule (Strength of reading plus lens)

Kestenbaum’s rule: used to estimate strength of plus lens required to read newspaper print without accommodation
Add power = reciprocal of best distance acuity
Reciprocal of add power = working distance (in meters)

Example: 20/80 vision; add = 80/20 = +4.00 D; working distance = 1/4 (0.25 m)

Kestenbaum’s rule (Strength of reading plus lens)
Kestenbaum’s rule (Strength of reading plus lens)

Source:

Review of Ophthalmolgy Book

Ophthalmology Atlas(Photos of cases)

Kestenbaum’s rule (Strength of reading plus lens)

Ophthalmology Notes

We do our best to simplify ophthalmology in Short Notes and exchange practical experiences between ophthalmologists all over the world.

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