Presbyopia affects everyone as they age



What is Presbyopia?

Presbyopia is an age-related process, causing individuals to experience blurred near vision when reading or working at the computer, that typically begins to occur around the age 40. Unlike astigmatism, nearsightedness and farsightedness, which are related to the shape of the eyeball and caused by genetic and/or environmental factors, presbyopia generally is believed to result from the gradual thickening and reduced flexibility of the natural eye lens. This reduction in flexibility or elasticity makes it more difficult for the eye to focus on items up close. As an age-related condition, individuals can not avoid presbyopia. Even nearsighted individuals will notice that their near vision blurs when they wear their eye glasses or contact lenses to correct distance vision.

Symptoms Of Presbyopia?

Symptoms, or indicators that an individual is suffering from presbyopia include: holding reading materials at arm's length in order to properly focus and/or developing headaches, eye strain or feel fatigued when reading, writing or performing meticulous work like sewing.

Treating Presbyopia

Like many other eye conditions, presbyopia can be treated with corrective lenses or surgery. Eyeglasses with bifocal or progressive lenses are the most common correction for presbyopia. Bifocal lenses provide two points of focus, with the main portion of the lens containing a prescription for distance vision and lower portion of the lens devoted to the stronger near prescription required for close work. Progressive lenses are similar to bifocal lenses, but provide a more gradual, and less noticeable, visual transition between the two prescriptions.

Contact lens wearers have two options to choose from to correct their presbyopia. They can choose multi-focal contact lenses or they can choose monovision, where one eye wears a distance prescription and the other wears a prescription for near vision. The monovision option works because the brain learns to favour one eye or the other for different tasks. However, some individuals experience reduced visual acuity and some loss of depth perception with this option.

Because the human lens continues to change as one ages, the prescription needed to correct presbyopia will need to be increased over time as well. So, schedule an annual eye exam with an optometrist!

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Bifocal Eye Glass Lenses

2 Prescriptions (Lined)

If you require glasses for both distance vision and reading, then traditional bifocal lenses may be an option for you as they are designed to incorporate two different prescriptions, usually distance (e.g., driving) and up-close (e.g., reading) vision. Several types of bifocal lenses are available.

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Traditional Progressive Eye Glass Lenses

3+ Prescriptions

Traditional progressive lenses offer multiple focal zones and are the most economical progressive option. However, they are characterized by a narrow corridor, or field of vision, making adapton to them a challenge for many individuals.

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Digtial Freeform Progressive Eye Glass Lenses

3+ Prescriptions & Wide Field Of View

Digital freeform progressive lenses offer multiple focal zones and offer wider corridor, or field of vision, compared to traditional progressive lenses. The wider corridor enables greater lateral natural eye movement and makes adapting to progressive lenses easy.

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Digital Freeform Lifestyle Lenses

Lifestyle-Tailored Progressive Lenses

Want progressive eye glass lenses with more viewing area devoted to your favourite activites? Digital Freeform Lifestyle Lenses offer the ability to devote more of the lens to distance (e.g., driving), intermediate (e.g., computer), or near (e.g., reading) activites.

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