About Nearsightedness

What is Myopia?

Myopia, or nearsightedness, is a condition that affects millions of children and adults. It is the most common of refractive errors—or imperfections of the eye—in which objects nearby can be seen clearly, while those at a distance appear blurry.

Many families have passed on myopia for generations, but some eye care professionals believe that increased computer use and eye fatigue, along with heredity, may be affecting the pace today. Although the true cause is unknown, myopia generally happens when the eyeball is too long. It may also occur when the lens or the cornea, the domed front of the eye, is too curved. These shape irregularities do not allow the eye to focus the entering light rays at the proper point.

Nearsightedness Symptoms

The most typical behavior of nearsighted people is often seen at school when they have trouble reading the blackboard, or out and about, when they cannot make out faraway signs. They may be fine looking at close-up objects—like a computer screen or phone—but have trouble watching TV. The most common symptoms and signs associated with myopia are:

  • blurred vision at far distances
  • squinting
  • headaches
  • eyestrain
  • fatigue after driving or playing sports

Nearsightedness cannot be prevented and it usually is diagnosed in children 8 to 12 years old. It can advance quickly in the teens, but in most cases it stops progressing on its own in early adulthood. Myopia can be low or high, and treatment options may be affected by the severity and the stage of life.

Nearsightedness and You

When myopia goes uncorrected, your performance and quality of life are affected. Poor far vision can disrupt the learning process for children and adults, as well as their enjoyment of sports, the outdoors and other forms of entertainment. Safety is compromised for drivers and for workers who need accurate vision or interact with machinery. Resulting headaches and eyestrain can also take their toll, so if you experience them see an eye care professional.

Once you both decide on treatment, nearsightedness can be effectively corrected with glasses, contact lenses or eye surgery. Soft contact lenses are a popular and comfortable choice for many people, and their flexible wearing times—daily, weekly or monthly—make them very convenient. Nearsightedness does not impact the health of the eye, except for people with severe myopia, who may be at a higher risk for glaucoma, and other serious conditions.

To learn more about nearsightedness, its symptoms and treatments, visit myeyes.com.

About Farsightedness

What is Hyperopia?

Hyperopia, or farsightedness, is not a condition as widespread as nearsightedness. Yet it is also a common refractive error—or imperfection of the eye—that can be inherited and eventually needs correction. When you are farsighted, you can see distant objects clearly while objects that are close-up appear blurry.

There is no way to prevent farsightedness and it affects both children and adults. It occurs naturally when your eyeball is shorter than usual or when your lens or cornea—the domed front of your eye—is irregularly shaped. These imperfections prevent the eye from focusing entering light rays at the proper point.

It is believed that most people are born with some farsightedness, yet the experience and timing varies. Many individuals do not notice it when they are young, because the natural lenses are very flexible and compensate focus for some time. As the eye ages, the focusing problem becomes impossible to mask, at which time they are diagnosed by an eye care professional.

Farsightedness Symptoms

With mild farsightedness you may still see fairly well at close-up range, but with higher degrees you may have trouble seeing both near and far. Some of the common symptoms and signs of hyperopia are:

  • blurred vision at close range
  • squinting
  • eyestrain
  • aching eyes
  • headaches after long periods reading or doing close-up tasks
  • crossed eyes (in some children)
Farsightedness and You

As with other eye conditions, being farsighted and not having the proper correction can get in the way of our lives. In children, in particular, hyperopia may deter their progress and engagement at school. They are also at greater risk for crossed eyes. For adults, safety and wellness is also a concern, as eyestrain and headaches can mount and performing tasks that need intense or delicate close-up work can become difficult.

See an eye care professional if you experience symptoms, and when diagnosed, start your treatment as soon as possible. Hyperopia is corrected easily and effectively with eyeglasses, contact lenses or eye surgery. For many people, contact lenses offer a sharper, wider field of vision than eyeglasses and provide greater comfort.1 They also come in a variety of replacement schedules—daily, weekly or monthly—to fit conveniently into your lifestyle.

To learn more about farsightedness, its symptoms and treatments, visit myeyes.com.

Frequently Asked Questions about AIR OPTIX® PLUS HYDRAGLYDE® Contact Lenses

Q: What are AIR OPTIX® plus HydraGlyde® contact lenses?

AIR OPTIX® plus HydraGlyde® breathable* contact lenses are the first and only contact lenses to feature two advanced technologies, SmartShield Technology and HydraGlyde® Moisture Matrix technology, to help support long-lasting moisture.3-5

Protective SmartShield Technology delivers a protective layer of moisture to help resist irritating deposits that can buildup on lenses over the wearing period.6

Exclusive HydraGlyde® Moisture Matrix surrounds the lens in lasting moisture to keep lenses continuously hydrated throughout the day.3-5

Q: What is HydraGlyde® Moisture Matrix?

HydraGlyde® Moisture Matrix is a proprietary moisture technology designed for moisturizing soft contact lenses, and specially designed for silicone hydrogel lenses. It works to attract and maintain moisture on the lens surface to keep lenses continuously hydrated throughout the day.7 This same exclusive moisture technology is also featured in Alcon's premium lens care offerings, OPTI-FREE® PureMoist® and AOSEPT® PLUS WITH HydraGlyde®, where it has been shown to deliver extra hours of lens-wearing comfort.^7-10 AIR OPTIX® plus HydraGlyde® is the first and only contact lens to feature this advanced moisture technology.

Q: What types of deposits does AIR OPTIX® SmartShield Technology guard against?

There are several types of deposits that can build up on contact lenses throughout the monthly wearing cycle:

  • Proteins & lipids — natural substances found in your tears
  • Residue from hand creams, mascara, makeup, and eye makeup remover11,12
Q: What prescriptions are available for AIR OPTIX® plus HydraGlyde® contact lenses?

Our eye care professional can determine the contact lens and correction that are best for you. The quick contact lens snapshot below includes all available prescriptions.

Material: lotrafilcon B
Water Content: 33%
Diameter: 14.2 mm
Base curve: 8.6 mm
Dk/t: 138 @ -3.00D
Surface: Unique SmartShieldTM Technology
Powers: +6.00D to -10.00D (0.25D steps); -10.00D to -12.00D (0.50D steps),
+6.00D to +8.00D (0.50D steps)
Center thickness: 0.08mm @
Handling tint: Blue visibility tint
Wearing schedule: Daily wear and up to 6 nights extended wear
Recommended replacement schedule: Monthly
Recommended lens care: OPTI-FREE® PureMoist® Multi-Purpose Disinfecting Solution, CLEAR CARE® PLUS with HydraGlyde® Cleaning and Disinfecting solution
  • *AIR OPTIX® AQUA (lotrafilcon B) and AIR OPTIX® AQUA Multifocal (lotrafilcon B) contact lenses: Dk/t =138 @-3.00D. AIR OPTIX® NIGHT & DAY® AQUA (lotrafilcon A) contact lenses: Dk/t = 175 @ -3.00D. AIR OPTIX® for ASTIGMATISM (lotrafilcon B) contact lenses Dk/t = 108 @ -3.00D -1.25D x 180. Other factors may impact eye health.
  • *On Average Based on a subset of patinets from a larger clinical study that used the AIR OPTIX® AQUA contact lens and OPTIFREE® PureMoist® MPDS combination. Results at Day 30, n=74, p<0.05.
  • **Eye exam may be required before lens trial. Professional fees may apply. Offer available at participating offices.
  • 1. Nash W, Gabriel M, Mowrey-Mckee M. A comparison of various silicone hydrogel lenses; lipid and protein deposition as a result of daily wear. Optom Vis Sci. 2010;87:E-abstract 105110.
  • 2. Alcon data on file, 2015.
  • 3. Alcon data on file, 2014. In vitro wetting analysis: out-of-pack and wetting substantivity.
  • 4. Alcon data on file, 2015. In vitro study over 16 hours to measure wetting substantivity.
  • 5. Eiden SB et al. Prospective study of lotrafilcon B lenses comparing 2 versus 4 weeks of wear for objective and subjective measures of health, comfort, and vision. Eye & Contact Lens 2013;39(4):290-294.
  • 6. Alcon data on file, 2008. Ex vivo measurement of lipid deposits on lenses worn daily wear through manufacturer recommended replacement period; AOSEPT® PLUS used for cleaning and disinfection; significance demonstrated at the 0.05 level.
  • 7. Lally J et al. A new lens care solution provides moisture and comfort with today's CLs. Optician 2011;241(6296):42-46.
  • 8. Alcon data on file, 2015.
  • 9. Garofalo R, Lemp J. Clinical trial experience with OPTI-FREE® PureMoist® MPDS. Contact Lens Spectrum. 2011;26(13):Part SPI 44-48.
  • 10. Alcon data on file, 2011.
  • 11. Tsukiyama J. Influence of Eye Cosmetics and Cleansing Products on Contact Lenses. J of Japan Contact Lens Society 2010; 52:101–07.
  • 12. Luensmann D, Srinivasan S, Yu M, Yang J, Jones L. The impact of cosmetics on the physical and optical performance of silicone hydrogel contact lenses. Cont Lens Anterior Eye. 2012;35(Supp 1):e6.

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