How can you tell if your glasses prescription is wrong? (2024)

FAQs

How can you tell if your glasses prescription is wrong? ›

There are a few warning signs to look for if you think your glasses are too strong, including blurry vision, eye strain, headaches, dizziness and nausea, and problems with depth perception. If you notice any of these symptoms, you should visit your eye doctor for a comprehensive eye exam to update your prescription.

There are a few warning signs to look for if you think your glasses are too strong, including blurry vision, eye strain, headaches, dizziness and nausea, and problems with depth perception. If you notice any of these symptoms, you should visit your eye doctor for a comprehensive eye exam to update your prescription.

If your prescription is wrong, your optometrist will perform a refraction test to determine the lenses you require to see clearly. They'll also check to see if any underlying issues are affecting your vision. If your vision is naturally changing with time, regular appointments can help detect further changes.

Before we jump into what each section of how to read an eye prescription means, as a general rule, the higher the numbers on your prescription, the worse your eyesight is and the stronger your prescription will be to provide the necessary correction. Mild: -0.50 to -3. Moderate: -3.25 to -5.00. High: -5.25 to -10.

In adults, there isn't a high risk of long-term eye damage associated with wearing the wrong prescription glasses. However, it can worsen hyperopia, myopia and astigmatism in kids. It can also affect visual development in younger children. Moreover, prescription lens errors can cause changes in your depth perception.

A good policy will replace the glasses or fully refund your purchase price if the problem is related to a defect in materials or an eyeglass lens prescription that wasn't made properly. If your eyeglasses break because of a defect, you should have no trouble getting your money back.

Frequent Headaches

Wearing glasses with an incorrect prescription puts undue strain on your eyes and visual system, which can result in headaches. If you've noticed worsening headaches or recurring headaches, contact your optometrist to schedule an eye exam.

-1.25 power lens correction is relatively mild. A person who has -1.25 vision is likely to wear prescription eyeglasses. To improve their vision, many people with -1.25 vision may choose to wear only over-the-counter reader glasses.

Common complaints are that the prescription feels too strong (or even too clear!) or that the wearer feels dizzy or faint. This is especially true with older patients who have had large changes in prescription, since neuroplasticity decreases with age.

The GlassesUSA Prescription Scanner is a free app that uses your smartphone camera to scan your current eyeglasses and read the prescription. You'll also submit a selfie photo to measure your pupillary distance (PD), the distance between your pupils.

How do I verify my eye prescription? ›

How can I find out my eye prescription? A person should always request their eyeglass or contact lens prescription from the office that performed their last eye exam. If people cannot access their prescription there are several companies who can provide one if a person has an up-to-date prescription lens.

Many people experience vision changes and distortion when slipping on a brand-new pair of prescription eyeglasses. Don't worry: Most people adjust comfortably to new glasses within a day or two, and fully adjust within two weeks.

75 diopters of astigmatism, and this is considered normal and will likely not require correction. Between . 75 and 2 diopters is considered mild astigmatism. Between 2 and 4 diopters is moderate astigmatism, and 4 or more diopters is considered significant or “bad” astigmatism.

Comprehensive eye exam: Performed by an eye doctor and includes a series of routine vision tests that not only test how well you can see, but also check you for vision problems and eye diseases. This is often done once a year or once every two years.

Please know that blurry vision with new glasses is extremely common. Whether it's getting used to a new prescription, a new eyeglass frame shape or size, new lenses, etc. it will take some time. Your new glasses are not necessarily poorly manufactured.

Most eye care professionals will tell you it will likely take two to three days to adjust to a normal change in your glasses prescription, but the adjustment period can last up to two weeks in some rare cases. If your eyes have not fully adjusted after two or three days, check in with your eye doctor.

If the glasses have a strength that exceeds your actual visual acuity, they force your eyes to work harder. This can result in increased effort, manifesting in the form of headaches, eye fatigue, and even blurred vision. In the long term, overpowered reading glasses could even have harmful effects on your eyes.