A New Vision

4655 SW Griffith Drive #165

Beaverton, OR 97005 US

503-646-8592

Open mobile navigation
  • Home
  • Patient Center
    • Online Forms
  • Our Services
    • Eye & Vision Exams
    • Vision Exams For Children
    • Contact Lens Exam
    • Optomap Retinal Exams
    • Diopsys/VEP Testing
    • Readalyzer(TM)
    • InfantSEE®
  • Vision Therapy
    • Tools & Techniques
    • Vision Therapy FAQ
  • Eye Wear
    • Frame Lines
    • Lenses
    • Contact Lenses
      • Soft Contacts
      • RGP Lenses
    • Choosing the Right Frames
  • About Us
    • Meet the Team
  • Contact Us
  • Blog
  • Community Content
    • Common Eye Conditions
      • Age-Related
      • Cognitive and Acquired
      • Vision Impairment
      • Injury & Irritation
      • Eye Lids
      • Changes in Appearance
    • Contact Lenses
    • Eye Diseases
    • Eyeglasses
      • Eyeglass Lenses
    • Eye Symptoms
    • How the Eyes Work
      • Basic Visual Skills
    • Pediatric Vision
    • Protecting Your Eyes
    • Visual Rehabilitation
    • Vision Problems
    • What is Vision Therapy
    • Vision Therapy Programs
    • We Can Help With
      • Cataracts
      • Corneal Disorders
        • Disorders
      • Glaucoma
      • Refractive Disorders
      • Adult Strabismus
      • Retinal Disorders
    • Newsletters
      • Glasses & Frames
      • Contacts
      • Tips for Healthy Eyes
      • Conditions That Affect Vision
      • Kid's Vision
      • Amazing, Interesting Eyes
      • Medical Perspectives
  • Contact Lens Training Information
  • Home >
  • Articles >
  • Common Eye Conditions >
  • Cognitive and Acquired >
  • Astigmatism

Astigmatism

  • Created in Common Eye Conditions, Cognitive and Acquired

Astigmatism

Many correctable vision problems are caused by abnormal eye anatomy. Very few people have perfectly shaped eyes that facilitate ideal vision. Rather, most people have some degree of abnormal curvature or other anatomical irregularities that cause slight visual changes. Astigmatism is one common form of visual impairment that results from irregular anatomy.

What Is Astigmatism?

The clear front area of the eye is called the cornea, which is important for refracting light rays to direct them onto the retinal surface. Light rays pass through the cornea onto the lens. The lens is flexible, changing shape to further focus the light rays and ensure that they hit the retina. Light must bend at a particular angle to result in clear, focused vision. Any abnormalities in eye structure may cause light to be improperly focused onto the retina, preventing visual sensory cells from processing the images.

Astigmatism occurs when either the cornea or the lens is abnormally curved. It is important to note that nearly everyone has some degree of astigmatism, as ocular structures are rarely perfectly shaped. When the cornea or lens has particularly pronounced curvature, however, light rays fail to focus onto the retina. This leads to blurry vision. Unlike farsightedness or nearsightedness, astigmatism causes blurred vision at any distance. Many people have astigmatism as well as farsightedness or nearsightedness.

Diagnosis of Astigmatism

A comprehensive optometry exam checks your eye anatomy and vision for signs of astigmatism. Tests of visual acuity typically reveal some inability to clearly read letters on a distance chart. The eye care provider may also use a keratometer, a tool that measures the curvature of your cornea. By shining a bright light into your cornea and measuring its reflection, the eye doctor can assess the curvature of your cornea. Your eye care provider may also place different lenses in front of your eyes to determine if you have a refractive error and to what extent.

Treatments

Most commonly, treatment for astigmatism consists of prescription eyeglasses or contact lenses. An alternate treatment is orthokeratology, in which your eye doctor provides a series of rigid contact lenses for you to wear for relatively short periods of time. These lenses reshape your cornea, allowing you to have clear vision. Although orthokeratology does not permanently change the shape of your cornea, it may help you go without glasses or contact lenses for everyday activities. Surgery is another option for those who want a more permanent solution.

Astigmatism is very common and relatively easy to treat. If you experience any blurriness or change in vision, consult your eye doctor immediately to receive an optometric exam.

  • Common Eye Conditions
    • Age-Related
    • Cognitive and Acquired
    • Vision Impairment
    • Injury & Irritation
    • Eye Lids
    • Changes in Appearance
  • Contact Lenses
  • Eye Diseases
  • Eyeglasses
    • Eyeglass Lenses
  • Eye Symptoms
  • How the Eyes Work
    • Basic Visual Skills
  • Pediatric Vision
  • Protecting Your Eyes
  • Visual Rehabilitation
  • Vision Problems
  • What is Vision Therapy
  • Vision Therapy Programs
  • We Can Help With
    • Cataracts
    • Corneal Disorders
      • Disorders
    • Glaucoma
    • Refractive Disorders
    • Adult Strabismus
    • Retinal Disorders
  • Newsletters
    • Glasses & Frames
    • Contacts
    • Tips for Healthy Eyes
    • Conditions That Affect Vision
    • Kid's Vision
    • Amazing, Interesting Eyes
    • Medical Perspectives

Contact Us

We look forward to hearing from you.

Featured Links

Click to find out more

  • Services

    We strive to provide complete care for our patients/ learn more about all the services we provide.
    Learn More
  • Make An Appointment

    We will do our best to accommodate your busy schedule. Schedule an appointment today!
    Schedule Now
  • Online Forms

    Our patient forms are available online so they can be completed in the convenience of your own home or office.
    View Forms

Monday:

9:00am

5:00pm

Tuesday:

9:00am

5:00pm

Wednesday:

9:00am

5:00pm

Thursday:

9:00am

5:00pm

Friday:

9:00am

3:00pm

Saturday:

Closed

Closed

Sunday:

Closed

Closed

  • "We have noticed a huge improvement with our son during and after completing his vision therapy with A New Vision. He is reading at a much higher level, his grades have improved, his confidence has increased, and homework is not taking so long. His improvements are life changing! Thank you so much!"
    D.H. / Beaverton, OR

Featured Articles

Read up on informative topics

  • April Newsletter: Tired of Contacts? Consider Orthokeratology.

    Wish you didn't have to wear your daily or monthly contact lenses? Orthokeratology can sharpen your vision. ...

    Read More
  • April Newsletter: Corneal Abrasion Could Lead to Infection. See Your Eye Doctor!

    Has something scratched your eye? A visit to the eye doctor could help you avoid a serious infection. ...

    Read More
  • March Newsletter: Are Your Eyes Getting Enough Vitamin D?

    Not getting enough of a key vitamin might increase your risk of several eye diseases. ...

    Read More
  • March Newsletter: Is Your Prescription Up to Date? What You Need to Know about When and Why You should See Your Optometrist

    Not sure when you need to see the eye doctor? ...

    Read More
  • Saccadic Fixators

    This entails a wall-mounted square board with a starburst design. Along the various striations of the starburst are lighted buttons. As the buttons light up, the patient works quickly to see how many of these lit buttons they can push before they go out. The key is to keep the head still. Peripheral ...

    Read More
  • Patches

    Eye patches are used to strengthen muscle control in weak eyes. By placing a patch over the strong eye, the weaker eye is forced to do the heavy lifting. While it may be uncomfortable for the patient at first, the muscle controlling the weaker eye will become tougher and more resilient. This will allow ...

    Read More
  • Rotation Trainers

    Rotation trainers consist of a disk – with various designs – that is attached to a rod-like base. As the disk rotates, the patient is asked to perform tasks that are designed to test and enhance eye-hand coordination, space awareness, perceptual awareness and visual acuity. ...

    Read More
  • Computer Software

    Computer aided vision therapy consists of a software package designed to enhance eye tracking skills, visual thinking, processing skills and binocular vision skills. Eye teaming, focusing and tracking are not optical in nature, and problems in these areas are the result of poor eye muscles. Specialized ...

    Read More
  • Prisms

    A prism has the same cross-section across the entire length of its shape. When used in eyeglasses, they often correct abnormalities associated with nearsightedness, farsightedness and double vision. Eyeglasses, or corrective lenses, reduce or increase the size of the image based on the eyes’ ability ...

    Read More
  • February Newsletter: Age-Related Macular Degeneration (AMD) Awareness Month

    Do you know how age-related macular degeneration could affect your vision? ...

    Read More

Social Media

  • Copyright © 2023 MH Sub I, LLC dba iMatrix.
  • Admin Log In
  • Site Map