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  • What are ophthalmic lenses?
    • Better known as "corrective lenses", ophthalmic lenses are designed to correct the refractive errors or vision disorders.
  • In which cases are ophthalmic lenses used?
    • Ophthalmic lenses are used in the following cases: Myopia or the inability to see far away objects distinctly, which requires the use of negative power lenses. Hyperopia or the inability to see close objects distinctly, which requires the use of positive power lenses. Astigmatism whereby the vision becomes blurred due to the inability of the optics of the eye to focus a point object into a sharp focused image on the retina, which requires the use of special lenses.
  • What types of ophthalmic lenses are available?
    • Typically prescribed by an optometrist, ophthalmic lenses exist in different types and shapes to meet the needs and requirements of people with vision disorders.
  • What characterizes plastic lenses?
    • Plastic lenses are: Lightweight (compared to glass lenses) Shatter-resistant (more than glass lenses) 50% safer than glass lenses Easily colorable  Compressible for extreme vision impairments Available in different types for monovision, double vision and multiple vision
  • What characterizes polycarbonate lenses?
    • Polycarbonate lenses: Are lightweight and slim Are unbreakable and safe Protect the eye from damages resulting from injury Provide UV protection Compressible for extreme vision impairments Are perfect for very active wearers, such as children and athletes Are recommended for rimless spectacles for their sturdiness and ability to withstand excessive pressure Are available in different types for monovision, double vision and multiple vision
  • Can ophthalmic lenses be colored?
    • Ophthalmic lenses are available in different colors to suit all tastes. People who wear such lenses can control the degree of the color chosen, be it dark, medium or light.
  • What are the benefits of colored ophthalmic lenses?
    • Colored ophthalmic lenses: Reduce the amount of light going into the eye Limit the glare suffered with direct exposure to sunlight Provide protection from UV rays
  • What are polarized lenses?
    • Polarized lenses are used to reduce the glare from reflective surfaces such as the surface of a lake or the hood of a car. They are known to provide the best eye protection.
  • When are solar lenses used?
    • Solar lenses are preferably used when exposed to the sun, as they block a rather large percentage of its rays, allowing their wearers to move more freely when they're directly exposed to the sun.
  • What are the benefits of protective lenses?
    • Protective lenses reduce the visible glare of the sun reflected off of shiny surfaces, as they absorb about 50% of these reflections which debilitate/blur the vision.
  • What are the benefits of photochromic lenses?
    • Photochromic lenses are high-quality lenses that allow their wearers to move from a sunny to a darker place and vice versa with the utmost freedom and without the need to change glasses. They adapt to the amount of light available to provide the wearer with the best vision at all times. They are available in different colors and types.
  • What is a UV filter?
    • A UV filter absorbs and prevents the passage of UV rays, which are regarded as the most dangerous rays the eye can be exposed to, and the main cause of some eye illnesses and dark vision.
  • What are the types of coating available?
    • The purpose of coating on a lens is to reduce reflections from the lens' surface and ensure clear vision at all times. Three types of coating are available: Anti-reflective coating, hydrophobic coating and anti-resistant coating.
  • What are the benefits of anti-reflective coating?
    • Anti-reflective coating reduces the reflection of the lenses themselves and the glare, allowing for a better and clearer vision. It also prevents scratches, smudges, and dustiness.
  • What are the benefits of hydrophobic coating?
    • Hydrophobic coating is characterized by its ability to easily clean the lens thanks to rolling droplets, which keep it transparent and hydrated, especially when moving from a cold to a highly humid environment.
  • What are the benefits of anti-resistant coating?
    • Anti-resistant coating protects ophthalmic lenses from scratches, increasing their supposed life span. It is especially recommended for very active people such as children and athletes.
  • When are progressive lenses used?
    • Correct vision decreases with age. That's why progressive lenses are perfect for people who suffer from both myopia and hyperopia, as they allow them to see at both distances.
  • What are the benefits of progressive lenses?
    • Progressive lenses: Are suitable for simultaneous shortsightedness and farsightedness Save their wearers the trouble of carrying two pairs of spectacles Allow for medium vision (while using the computer for example) Save their wearers the inconvenience resulting from the eye's sudden move from one distance to another
  • When is it time for an eye exam?
    • People with impaired vision should have their eyes checked periodically. Below is a recommended eye exam schedule for normal cases that don't include any chronic illnesses:

      For children under 7 years of age: every 6 months
      For children aged 8 to 15 years: every year
      For adults aged 16 to 35 years: every year
      For people over 40 years of age: every year
      For people over 60 years of age: every 6 months