What does add mean On multifocal contact lenses?
The add power is usually written in dioptres and written as a plus (+) power. It indicates the magnifying power in multifocal ( other names include, bifocal or varifocal) contact lenses.
Why are my multifocal contacts blurry?
Some multifocal lens patients complain of blurred vision while doing certain tasks. If distance vision is extremely clear, then near vision sometimes suffers. If near vision is clear, distance or intermediate vision may be less than expected. … Contrast sensitivity is sometimes a problem while wearing multifocal lenses.
What happens if you wear contacts with the wrong base curve?
If your lenses have the wrong diameter or base curve, you’ll likely feel that something is always in your eye. If the lenses are too flat, your eyelids will tend to dislodge them when you blink. The wrong size lenses can even cause an abrasion of your cornea.
Are multifocal contacts more expensive?
Multifocal contact lenses are more expensive than single-power contacts, but with a prescription from your optometrist or ophthalmologist, your vision insurance should help to offset that cost.
What is the lowest power for contact lenses?
Contact lenses today can be manufactured with virtually any lens power so yes, with a prescription as low as 0-25/+0.25, you can still wear contact lenses.
What does high and low mean on multifocal contacts?
Reading Your Multifocal Contact Lens Prescription
Multifocal contact lenses bundle ADD amounts into three groups: low, medium or high. Low add is a number up to + 1.25, medium is an add between +1.50 and +2.0, and high is an add of +2.25 up to +2.50.
Are multifocal lenses worth it?
Existing systematic reviews have generally concluded that multifocal IOLs result in better uncorrected near vision and greater spectacle independence, but more unwanted visual phenomena such as glare and halos, compared to monofocal IOLs.
Can I wear reading glasses with multifocal contacts?
Some people with presbyopia don’t adapt well to multifocal contact lenses. One option is to wear reading glasses over their distance contacts.