There are a number of methods of becoming contacts for sufferers who require a bifocal. Bifocal contacts, in fact, are one possibility. Different choices embrace a monovision contact lens match, modified monovision, and a mix of distant imaginative and prescient contacts and studying glasses. I’ll focus on these choices additional, together with my impressions of the benefits and drawbacks of every colored lenses.

Bifocal Contact Lenses

Bifocal contact lenses enable sufferers to see each distant and close to on the similar time. They’re obtainable in each soft and inflexible gasoline permeable materials.

The principle benefit of bifocal contacts is healthier depth notion at each close to and much. That is very true when in comparison with monovision. Disadvantages embrace elevated glare at night time and a doable compromise in both the close to or distant imaginative and prescient. The latter has been my expertise with the soft simultaneous imaginative and prescient bifocal contacts (see under). It may be very tough to realize each good close to and distant imaginative and prescient with these lenses. Evidently if we get the distant imaginative and prescient in good focus, the close to imaginative and prescient suffers and vice versa. In these circumstances, I’ll generally strive the modified monovision possibility (see under).

Inside the class of bifocal contact lenses, there are simultaneous imaginative and prescient and translating (additionally know as alternating) bifocal contacts.

Simultaneous Imaginative and prescient Bifocal Contact Lenses

For simultaneous imaginative and prescient bifocal contact lenses, sufferers obtain photos from a number of distances on the similar time. The mind should then select which photos to disregard based mostly on the space to the objects. The number of lens designs obtainable enable for close to, intermediate, and distance imaginative and prescient correction. Simultaneous imaginative and prescient bifocal contact lenses can be found in each soft and gasoline permeable supplies. This class could be additional damaged down into aspheric, concentric, and diffractive lenses.