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Sunnyvale | Cherry Orchard Plaza - 408.245.5725, San Jose | Oakridge Mall - 408.281.3381, Santa Clara | Valley Fair Mall - 408.243.9394

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Sunnyvale | Cherry Orchard Plaza - 408.245.5725, San Jose | Oakridge Mall - 408.281.3381, Santa Clara | Valley Fair Mall - 408.243.9394

Menu
  • Home
  • Shop
    • Eyeglasses
      • MEN’S EYEGLASSES
      • WOMEN’S EYEGLASSES
      • UNISEX’S EYEGLASSES
      • OPTHALMIC
      • SUNGLASSES
      • CONTACTS
    • Brands
      • CALVIN KLEIN
      • CHLOÉ
      • CLUB 54 (Covered by insurance)
      • DKNY
      • GUCCI
      • LIDO WEST (Covered by insurance)
      • MCM
      • PAUL SMITH
      • PRACTICAL
      • SALVATORE FARRAGAMO
      • TOM FORD
      • YSL
  • Services
    • Eye Exams
    • Contact Lens Exam
    • Pediatric Exam
    • Lasik Co-Management
  • Order Eyeglasses Online
  • Order Contacts Online
  • Our Doctors
    • Dr. Jeffrey Holbert
    • Dr. Scott Holbert
    • Dr. May Ando
    • Dr. Linda Kuo
    • Dr. Xuan Pham
    • Dr. Cristina Trinh
  • Eye Care 101
    • Anatomy of the Eye
    • FAQs
    • Laser Vision Correction
    • Eye Disorders
    • Eye Diseases
    • Eye Care Articles
  • Locations
    • Sunnyvale
    • Santa Clara
    • San Jose
    • Directions
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Eye Disorders

In the normal eye, light rays pass through the cornea, pupil, and lens and focus directly on the retina. When the cornea fails to focus light rays directly on the retina, refractive errors such as myopia, hyperopia, and astigmatism occur.

illustration_normal-vision

Hyperopia

Hyperopia, or farsightedness, occurs when the curvature of the cornea is too flat or the eyeball is too short. Therefore, light rays entering the eye focus in back of the retina. This results in blurred near vision.

illustration_hyperopia

Myopia

Myopia, or nearsightedness, occurs when the curvature of the cornea is too steep or the eyeball is too long. Therefore, light rays entering the eye focus in front of the retina. This results in blurred vision at distance.

illustration_myopia

Astigmatism

Astigmatism occurs when the curvature of the cornea is irregularly shaped, almost like a football. Therefore, light rays entering the eye focus at two different foci, causing blurred or distorted vision at a distance and up close. Astigmatism can occur alone or in conjunction with myopia and hyperopia.

illustration_astigmatism

Presbyopia

Presbyopia is a condition where the crystalline lens loses its flexibility or elasticity, making it difficult to focus on nearby objects. Generally, presbyopia becomes noticeable in the early to mid-40s. Presbyopia is an unpreventable, age-related process. To help alleviate symptoms of presbyopia, reading glasses, bifocals, progressive lenses, and multi-focal contact lenses can be prescribed.

illustration_presbyopia

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Emails

Sunnyvale Office:
sunnyvale@holbert.com

Santa Clara Office:
valleyfair@holbert.com

San Jose Office:
oakridge@holbert.com

Phone

Sunnyvale
Cherry Orchard Plaza - 408.245.5725

San Jose
Oakridge Mall - 408.281.3381

Santa Clara
Valley Fair Mall - 408.243.9394

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