Determine Your Appropriate Lens Strength

THINOPTICS lenses are available in four strength ranges

LOW RANGE
strength
+1.00

ALSO FITS +0.75 to +1.25

LOW-MID RANGE
strength
+1.50

ALSO FITS +1.25 to +1.75

MID RANGE
strength
+2.00

ALSO FITS +1.75 to +2.25

HIGH RANGE
strength
+2.50

ALSO FITS +2.25 to +2.75

STEP 1

Print this eye test chart. Make sure “Fit to Page” is off. The page should print at actual size. Do not test vision on screen. To make sure this test is accurate, the chart below should be 5 inches wide.

STEP 2

With your glasses off, read the lines of copy in the chart below from a distance of about 14 inches.

STEP 3

The first line you have difficulty reading corresponds to the lens strength that is best suited for you.

Printed diagram should be 5” wide

Ultra-flexible bridge.
+2.75
Instant vision on the go.
+2.50
Reading glasses in an instant.
+2.25
NEVER forget your reading glasses again.
+2.00
Full-sized lenses available in four strengths.
+1.75
Ultra-thin phone case protects your smartphone.
+1.50
THINOPTICS are insanely flexible and thin reading glasses.
+1.25
THINOPTICS featherlight frames come in 6 colors and custom design.
+1.00
HIGH
RANGE
MID
RANGE
LOW-MID
RANGE
LOW
RANGE
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