Adjustable vision glasses use a small dial on each side to change the focus of the lens. Instead of keeping several pairs of readers, you adjust one pair to suit what you're looking at.
How they work
Each lens has a flexible section. Turning the dial changes its shape, which shifts the focus between near and farther distances.
Who they suit
- People whose close-up vision has changed with age (presbyopia).
- Anyone who switches between reading, screens and distance.
- People who want a backup pair for the car, desk or travel.
Limitations
- Most designs don't correct astigmatism.
- Each model covers a limited range of strengths.
- The clearest viewing area can be smaller than with prescription lenses.
Setup routine
1Use good lightHold text at a comfortable reading distance.
2Right lensClose your left eye and turn the right dial until the text is sharp.
3Left lensClose your right eye and adjust the left dial.
4Readjust as neededDifferent tasks may need small changes.
Clean with a microfiber cloth and keep them in a case to protect the dials. For sunny days, polarized fit-over sunglasses fit right over them.
Adjustable glasses don't replace an eye exam. Seek prompt care for sudden vision changes, eye pain, flashes of light or new floaters.
