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 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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  • 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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  • How can you adjust the nose pads on a pair of glasses?

    Q: How can you adjust the nose pads on a pair of glasses?

    A: To adjust the nose pads on a pair of glasses, lightly bend the arms holding the plastic pads, or loosen the screws holding the pads to adjust their angle. Be sure to hold the frames securely by the bridge.
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  • How do polarized sunglasses work?

    Q: How do polarized sunglasses work?

    A: Polarized sunglasses are coated with a vertical film that filters out the horizontal light waves reflected off of smooth flat surfaces, such as roads and water. These reflected waves are commonly called glare.
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  • How do you take contacts out?

    Q: How do you take contacts out?

    A: To remove a contact lens, wash hands and use the index finger of the non-dominant hand to lift the eye’s upper eyelid. At the same time, use the middle finger of the dominant hand to pull the lower lid downwards. Next, use the index finger and thumb to gently remove the contact.
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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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  • 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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  • How do you put in contact lenses?

    Q: How do you put in contact lenses?

    A: Putting in contact lenses is an easy task that millions of people accomplish every morning. To start, you should wash your hands, rinse the lenses with contact solution, then hold your eyelids open that you can insert one lens into each eye. After the lenses are inserted, blink a few times to keep the lenses in focus.
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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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  • 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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  • Can you swim with contacts in your eyes?

    Q: Can you swim with contacts in your eyes?

    A: An individual can swim while wearing contacts, but it's best that he do so while wearing waterproof swimming goggles. Prescription swimming goggles are a good option for a swimmer who wants to reduce the chances of his vision becoming blurred and experiencing refractive errors.
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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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  • 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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  • How do bifocal contacts work?

    Q: How do bifocal contacts work?

    A: Bifocal contact lenses work similarly to bifocal eyeglasses, providing two different prescriptions in a single lens for close and distant vision clarity. Some bifocal contacts split the lens into two zones, while others have near and far prescriptions arranged in rings and rely on the brain to process visual focus.
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  • How do you tighten glasses?

    Q: How do you tighten glasses?

    A: Tighten loose glasses by pressing the area near the temples slightly inward. Metal frames can be directly adjusted, while plastic frames need to be warmed before manipulation.
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  • How do you clean glasses?

    Q: How do you clean glasses?

    A: Regular cleaning is necessary to see well through glasses. Cleaning eyeglasses is easy: simply spray both lenses with eyeglass cleaner, and wipe them with a soft lens cloth.
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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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  • How do they make eyeglasses in one hour?

    Q: How do they make eyeglasses in one hour?

    A: Vision specialists make eyeglasses quickly by entering the prescription into a computer, cutting the lenses and mounting the lenses into the frame. The key for receiving the glasses at retail vision stores within about an hour is to obtain the prescription that starts the production process.
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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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  • 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 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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