Glasses & Contacts

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Glasses work by adjusting the focal point of light so that the image reaching the retina of the eye is in focus. Opticians cut the lenses to bring the image closer, further away or correct other vision problems, such as double vision.

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  • What are progressive contact lenses?

    Q: What are progressive contact lenses?

    A: Progressive contact lenses, also called bifocal or multifocal lenses, are contacts that combine prescriptions for farsightedness and nearsightedness into one lens. There are several different methods for combining different powers into one contact lens. The human eye adapts to shifting between multiple powers, so it can focus on all distances.
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  • What alternative can be used in place of contact lens solution?

    Q: What alternative can be used in place of contact lens solution?

    A: There is no safe alternative to commercial contact lens solution. Saline solutions, distilled water or do-it-yourself salt solutions do not disinfect contact lenses and can lead to irritation, infection or permanent damage.
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  • How can you get colored eye contacts?

    Q: How can you get colored eye contacts?

    A: You can get colored eye contact lenses from a number of online retailers, including Hollywood Color Contacts and FourEyez. The price of the contacts varies by retailer and quantity.
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  • How do you put contacts in small eyes?

    Q: How do you put contacts in small eyes?

    A: If it seems as if your eyes are getting smaller, you may be squinting because your eyes are too dry. Use a moisturizing solution with your contacts. When inserting contacts, do it without stretching the eyelids for the most comfortable experience.
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  • What causes eyeglasses to fog up?

    Q: What causes eyeglasses to fog up?

    A: Eyeglasses fog up when they are cooled below the dew point and encounter warm, moist air. As they cool, water condenses out onto the surface of the glasses, creating the fogging effect. The same effect creates drops of water on the outside of cold beverage glasses.
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  • What is the best way to clean plastic eyeglass lenses?

    Q: What is the best way to clean plastic eyeglass lenses?

    A: Heidi Mitchell explains in the Health & Wellness section of The Wall Street Journal that the best way to clean plastic eyeglass lenses is to run them under warm water and create a lather on the lens by putting a small drop of dishwashing detergent on the tip of the fingers. After lathering the lens carefully, they must be rinsed with warm water and then dried with a clean, soft cotton cloth.
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  • What are some tips for removing contact lenses?

    Q: What are some tips for removing contact lenses?

    A: Before removing contact lenses, hands should be washed thoroughly. Do not insert a contact lenses standing over an unplugged sink, since dropping a lens can result in it going down the drain. Prepare the lens case with solution before the lens is removed, always beginning with the same eye.
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  • How do you put in eye contacts?

    Q: How do you put in eye contacts?

    A: To insert a contact lens, begin by washing and drying your hands thoroughly. Next, pick up the right eye lens, and clean it. Once the lens is clean, hold open your eyelids, and gently place the lens on your eyeball. Repeat this procedure for the left-eye contact lens.
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  • Does base curve make a difference in contact lenses?

    Q: Does base curve make a difference in contact lenses?

    A: The base curve of contact lenses influences the overall fitting and comfort, as stated by a recent paper published in the Journal of Optometry. The material that the contact lenses are made of will influence the base curve range that is considered most acceptable. For example, in Senofilcon A contact lenses, base curves that are within the range of 7.80 mm to 8.80 mm exhibit acceptable fitting characteristics.
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  • Is it possible to change your eye color?

    Q: Is it possible to change your eye color?

    A: As of 2014, the only way to change eye color permanently is through the use of iris implants, which present serious health risks. A laser surgery is being developed that may work, and people can influence the perception of their eye color with clothing colors or colored contact lenses.
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  • What is a substitute for contact solution?

    Q: What is a substitute for contact solution?

    A: There is no safe substitute for saline contact solution, according to All About Vision and Dr. Elliott Rosengarten. Some people use tap water or bottled water to clean contact lenses, but water carries microorganisms that may lead to serious eye infections. Baby oil and fruit juice are other bad choices.
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  • How do night vision glasses work?

    Q: How do night vision glasses work?

    A: Night-vision glasses work by capturing tiny amounts of light, some of it from the infrared portion of the light spectrum, and amplifying it in order to create an image that is more easily observed. Some systems may also utilize thermal imaging technology, either alone or in concert with light amplification.
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  • How do glasses work?

    Q: How do glasses work?

    A: Glasses work by adjusting the focal point of light so that the image reaching the retina of the eye is in focus. Opticians cut the lenses to bring the image closer, further away or correct other vision problems, such as double vision.
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  • Where are reading glasses available?

    Q: Where are reading glasses available?

    A: Reading glasses are available in pharmacies or the pharmacy section of grocery stores and retailers such as Walmart, Target, Sears and Costco. Consumers also can purchase reading glasses on through an eye doctor.
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  • How do you fixed scratched glasses?

    Q: How do you fixed scratched glasses?

    A: To fixed scratched glasses, clean them with water and dish soap, and remove a scratched lens coating with sunscreen. For deeper scratches, buff out the scratches with a paste of baking soda and water or a nonabrasive toothpaste. Use a four-way nail buffer to remove scratches on a frame.
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  • How do you fix broken reading glasses?

    Q: How do you fix broken reading glasses?

    A: To fix broken reading glasses, purchase an eyeglass repair kit, replace any lost screws, apply clear nail polish to secure the screws, and wrap a rubber band around the arms to tighten a loose hinge. If the plastic frames have broken, wrap tape around the break.
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  • What are prescription shooting glasses?

    Q: What are prescription shooting glasses?

    A: Prescription shooting glasses are just like prescription glasses in the sense that they adjust for the unique vision impairment that any given person might have. However, they also protect the eyes from outside objects like dust, wind and debris from shooting or hunting.
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  • Do manufacturers make red-colored contacts?

    Q: Do manufacturers make red-colored contacts?

    A: There are manufacturers who make decorative red contact lenses that can be worn with costumes; however, the lenses sold must be FDA approved. It is illegal for contact lens manufacturers to sell colored lenses to consumers that are non-prescription and unregulated.
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  • What are natural looking colored contacts?

    Q: What are natural looking colored contacts?

    A: Because the natural color of the eye isn't uniform, some color contacts have tiny dots and lines of color rather than a uniform tint. These patterns of color on the contact are intended to mimic the appearance of a real eye and make the final eye color look more natural.
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  • What color contact lenses are better for a teen with dark skin?

    Q: What color contact lenses are better for a teen with dark skin?

    A: Hazel contact lenses are a very good color for a teen with dark skin. Hazel is a light brown with a little green in it that looks beautiful against dark skin, while still looking natural. The lighter brown color of hazel eyes stands out when paired with dark skin.
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  • Why do my eyes burn when I put my contacts in?

    Q: Why do my eyes burn when I put my contacts in?

    A: Eye allergies, sensitivity to ingredients in the contact lens solution, dirty lenses and dry eyes can make the eyes burn when contacts are inserted, according to All About Vision. Bausch & Lomb advises individuals who experience burning sensations when inserting contact lenses to remove them immediately.
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