Refractive errors are common visual problems

Refractive errors like myopia, hyperopia, and astigmatism affect how light enters the eye, but laser eye surgery reshapes the cornea to improve focus

Refractive errors are common visual problems

Refractive errors like myopia, hyperopia, and astigmatism affect how light enters the eye, but laser eye surgery reshapes the cornea to improve focus.

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Understanding refractive errors

Explore answers to frequently asked questions and learn more about how they are diagnosed and treated

The prevalence of refractive errors

Refractive errors are one of the most common vision issues worldwide, affecting people of all ages.

Myopia (short-sightedness) is particularly prevalent, with rates increasing due to lifestyle factors like prolonged screen use and reduced outdoor time.

Hyperopia (long-sightedness) and astigmatism also affect many individuals, often requiring glasses or contact lenses for clear vision.

Regular eye exams are important for detecting these errors early and ensuring appropriate vision correction.

Refractive errors occur when the shape of the eye prevents light from focusing correctly on the retina.

Myopia happens when the eye is too long, causing distant objects to appear blurry.

Hyperopia occurs when the eye is too short, making near vision difficult.

Astigmatism results from an irregularly shaped cornea, leading to distorted vision at all distances.

Genetics play a significant role, but lifestyle factors such as prolonged near work or limited outdoor exposure can also influence their development.

Refractive errors are diagnosed through a comprehensive eye examination by an optometrist or ophthalmologist.

The assessment typically includes visual acuity testing, where you read letters on an eye chart to determine the clarity of your vision.

A refraction test helps measure the degree of refractive error and determines the correct prescription for glasses or contact lenses.

Additional tests, such as corneal topography or pupil dilation, may be performed to assess eye health and rule out other conditions.

Refractive errors can be managed with glasses, contact lenses, or surgical options.

Glasses and contact lenses are common, non-invasive solutions that correct vision by adjusting how light enters the eye.

Laser eye surgery, such as LASIK or PRK, reshapes the cornea to improve focus and reduce reliance on visual aids.

The most suitable treatment depends on individual eye health, lifestyle, and personal preferences.

What are refractive errors?
Refractive errors occur when the shape of the eye prevents light from focusing properly on the retina, leading to blurry vision. The most common types are myopia (short-sightedness), hyperopia (long-sightedness) and astigmatism.

What causes refractive errors?
Refractive errors can be influenced by genetics, eye shape, and lifestyle factors. Myopia, for example, is increasingly linked to excessive screen time and reduced outdoor activity.

How are refractive errors diagnosed?
A comprehensive eye exam, including a visual acuity test and refraction assessment, is used to diagnose refractive errors. An optometrist or ophthalmologist will determine the best vision correction method based on test results.

Can refractive errors be treated permanently?
Glasses and contact lenses correct refractive errors temporarily, while laser eye surgery may offer longer-term solutions. The best option depends on individual eye health and personal needs.

How can I prevent my refractive error from worsening?
While some refractive errors are influenced by genetics, lifestyle habits like reducing screen time, taking breaks from near work, and spending time outdoors may help slow progression, especially in myopia. Regular eye exams are also important for monitoring changes.

Find out in 2 minutes if you can ditch glasses for good

Find out in 2 minutes if you can ditch glasses for good

Not everyone is suitable for laser eye surgery.
Take our quick self-test to see if vision correction is right for you

3 simple steps to a life without glasses & contacts

Laser eye surgery doesn’t have to be complicated. Here’s how we make the journey smooth and stress-free

Step 1: Get in touch

Not everyone is a candidate for laser eye treatment. The first step is to get a clear answer on whether laser eye surgery can help you or not. Take our quick online test or contact us to find out if you qualify.

Step 2: We’ll meet

At your assessment, our experienced team will examine your eyes and discuss the vision correction options that may be appropriate for you. We’ll provide clear information to help you make an informed decision.

Step 3: Elevate your life

After your procedure, you’ll wonder why you didn’t do this sooner! Many patients report improved vision and reduced dependence on glasses or contact lenses, allowing them the freedom to live life to the fullest.1https://pubmed.ncbi.nlm.nih.gov/19344821/

Find out in 2 minutes if you can ditch glasses for good

Find out in 2 minutes if you can ditch glasses for good

Not everyone is suitable for laser eye surgery.
Take our quick self-test to see if vision correction is right for you

Affiliations and memberships

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Hi, I’m Dr. Richard Barry

I am an ophthalmologist and the principal surgeon at Blink Vision Clinic in Canberra. As a Fellow of the Royal Australian and New Zealand College of Ophthalmologists, I have advanced training in vision correction.

I trained at Sydney Eye Hospital and completed international fellowship training in macula and retina disease. My focus is on providing evidence-based treatments using the latest technology to achieve the best possible outcomes for my patients.

I believe in clear communication and patient education, ensuring you fully understand your options and treatment plan. At Blink Vision Clinic, my goal is to provide a thorough and professional approach to eye care, so you feel confident in your vision correction journey.

Dr. Richard Barry