Do Cheap Reading Glasses Damage Your Vision?

Baptist Eye Surgeons • August 22, 2023

Most people start to have problems seeing clearly at close distances beginning in their early to mid-40s, particularly when reading or working on the computer. This is because our eyes and vision change over time, just like the rest of our bodies do. Cheap reading glasses from the drugstore seem like an easy fix, but can they damage your vision over time?

Reading glasses don’t damage vision. However, using the wrong strength can cause eyestrain, headaches, and blurry vision. Over-the-counter readers are affordable but may lack customization and durability. Prescription glasses offer precise correction for different vision needs. Regular eye exams are essential as presbyopia progresses.

Do Cheap Reading Glasses Damage Your Vision?

Cheap reading glasses, like any other glasses, do not inherently damage your vision. However, the wrong strength of glasses may strain your eyes or cause discomfort.

Using reading glasses with the wrong strength means that they magnify too much or too little. This can cause: 

  • Eyestrain 
  • Headaches 
  • Blurry vision 

This is why it’s important to get the correct strength for your reading glasses. It’s worth noting that even inexpensive reading glasses can be effective. They just need to have the right prescription for your needs. 

The cost doesn’t necessarily reflect their quality or appropriateness for your vision. However, you should still get an eye exam to determine the strength of the reading glasses you need.

When Do I Need Reading Glasses?Middle-aged dark-haired woman pulling her glasses down to read a book more clearly

You may need reading glasses if you: 

  • Have difficulty focusing on close objects 
  • Have to hold reading material at arm’s length to see it clearly 
  • Suffer from eye strain or headaches during close-up tasks 

These symptoms often indicate presbyopia . This is a common age-related eye condition that typically starts around the age of 40. Presbyopia is when the lens in your eye loses flexibility. Over time, it becomes harder for the eye to focus on nearby objects. 

What Are Reading Glasses?

Also known as readers , reading glasses magnify nearby objects. This allows you to see them more clearly. They come in various strengths, measured in diopters , indicating their level of magnification.

These glasses are typically used for tasks that require close-up focus, such as: 

  • Reading 
  • Working on a computer 
  • Doing intricate crafts 

They are not meant for activities that require clear distance vision.

Bifocals or progressive lenses may be recommended if you already wear prescription lenses. Bifocals have two prescriptions in one lens. The upper part is for distance vision and the lower part is for close-up tasks. Progressive lenses transition between both types of vision without the visible line in bifocals.

It’s important to have regular eye exams if you have presbyopia. It allows your eye doctor to monitor any vision changes. This ensures that the prescription for reading glasses remains accurate.

Readers vs. Prescription Lenses for Presbyopia

Readers

Generic over-the-counter reading glasses typically cost quite a bit less than prescription glasses. Their low cost also means: 

  • Lower quality 
  • Weaker frames 
  • Lenses that scratch easily 

These glasses won’t correct other visual conditions such as nearsightedness or astigmatism. Readers also have the same prescription for each lens. They may not provide as much clarity as prescription glasses if your vision isn’t identical in both eyes, which is the case for most people. 

With that said, readers can fit the bill if you need to quickly grab a pair of magnifying eyeglasses so you can read: 

  • The newspaper 
  • A menu 
  • Small print on a label

This is especially true considering their cost and convenience. 

If you only need them occasionally, reading glasses can be a fine solution. You may experience eye fatigue and headaches if you need to wear them for an extended period. If you use them often, it may be time to schedule an appointment with your eye doctor and discuss prescription glasses as an option.

Prescription Glassescheap reading glasses laying on top of a food label

Most people have different vision in each eye, so prescription glasses are a great option to address that. Corrections can be also made in each eye for: 

  • Nearsightedness 
  • Farsightedness 
  • Astigmatism 

An optician will make lenses based on your prescription. This includes the distance between your pupils ( pupillary distance ) to get your best vision correction. 

Prescription lenses are of higher quality and sharper clarity than cheap reading glasses. This makes them a better choice if you need long-term up-close vision correction. 

Plus, prescription glasses can be made to cover: 

  • Vision correction 
  • Driving 
  • Seeing at a distance

Even if drugstore eyeglasses are sufficient for your vision needs, it’s still good to get a regular eye exam. A knowledgeable eye doctor will let you know which magnification level you need.

Keep in mind that presbyopia will continue to progress over time. You’ll likely need to change magnification levels or prescriptions at some point.

Comprehensive eye exams are the best way to determine exactly what’s going on with your vision. They’re also the best way to learn how to correct it. At Baptist Eye Surgeons, we’re happy to talk with you about options for helping you see clearly as you age.

Do you need help treating your presbyopia? Contact us today to schedule your appointment!

Get your eyes examined by our expert ophthalmologists book an appointment

Reading glasses won’t harm your vision, but the wrong strength may lead to discomfort. While over-the-counter options are budget-friendly, they may lack customization and durability. Prescription glasses provide tailored correction for diverse vision requirements. Routine eye exams are crucial as presbyopia advances.

Baptist Eye Surgeons is an ophthalmological practice in Knoxville, TN, Morristown, TN, and Sevierville, TN. Give us a call at 865-579-3920 for more information or to schedule an appointment .

*Editor’s Note: This post was originally published in September 2018 and has been updated for comprehensiveness and new information.

The Connection Between Diabetes and Eye Health

July 29, 2026
Diabetes affects various parts of the body, including your eyes. Keeping your blood sugar under control is not just good for your health overall, but it also helps protect your eyesight. Over time, high blood sugar can irritate the tiny blood vessels in your eyes and increase your risk of serious eye problems. Knowing how diabetes and eye health are linked can help you identify issues and take measures to protect your sight. How Does Diabetes Affect Eye Health? When blood sugar stays high, it can damage the blood vessels in the retina, which is the part of your eye that senses light and helps you see. Damaged blood vessels might leak fluid, swell, or change how well the retina works. Diabetic eye problems usually develop slowly, so you might not pick up on any changes in your vision until significant damage has occurred. That’s why it’s important for people with diabetes to get regular eye exams, even if their eyesight seems fine. Common Eye Conditions Linked to Diabetes People with diabetes are more likely to have certain eye problems. Finding and treating these issues early can lower the chance of losing vision permanently. 1. Diabetic Retinopathy Diabetic retinopathy is a common eye issue that happens when high blood sugar damages the retinal blood vessels. These damaged vessels may leak fluid, which may cause blurry vision, dark spots, or changes in how you see. In advanced cases, abnormal blood vessel growth can lead to serious problems. If diabetic retinopathy worsens, new abnormal blood vessels can grow, causing serious problems, including vision loss. Getting regular eye exams can help catch these changes early, before they become severe. When fluid is retained in the macula (part of the retina which focuses on sharp central vision), this swelling can make it harder to read, recognize faces, or see fine details clearly. When detected early, treatments can help reduce swelling and protect your eyesight. 3. Cataracts People with diabetes have a higher chance of getting cataracts early. Cataracts occur when the lens in your eye becomes cloudy, which can cause blurry vision, increased sensitivity to glare, and difficulty seeing clearly. While cataracts come with age, having diabetes can make them appear sooner or progress quicker. 4. Glaucoma Diabetes can also raise your risk for glaucoma, which is a group of eye diseases that harm the optic nerve. Glaucoma usually starts without any clear symptoms, but if it is not treated, it can cause permanent vision loss. Routine regular eye exams are important for finding glaucoma early and keeping your eyes healthy Diabetes-related eye problems might not cause symptoms at first. Still, there are some warning signs you should look out for: • Blurry or distorted vision • Difficulty focusing • Dark spots, floaters, or shadows in your sight • Increased sensitivity to glare • Trouble seeing colors clearly • Sudden alterations in vision • Partial or complete loss of vision If you notice sudden vision changes, contact an eye doctor as soon as possible. The Value of Regular Eye Exams for People With Diabetes Getting a full eye exam is one of the best ways to protect your vision if you have diabetes. During the examination, your physician will study your retina, look for symptoms of diabetic eye disease, and track any changes over time. Many eye problems linked to diabetes can be treated more easily if they are found early. Regular checkups help your eye doctor give you advice that fits your own eye health and diabetes care. Protecting Your Eyes When You Have Diabetes Looking after your general health is important for keeping your eyes healthy. Here are some things you can do to protect your vision: • Keeping blood sugar levels under control • Managing blood pressure and cholesterol • Scheduling regular diabetic eye exams • Following your diabetes treatment plan • Eating a balanced diet that promotes eye health • Avoiding smoking, which increases the risk of eye complications Prioritizing Your Vision and Eye Health Diabetes and eye health are closely linked, but you can lower your risk of serious vision problems by taking action early. Getting regular eye exams, making healthy choices, and managing your diabetes all help protect your eyesight. If you have diabetes, seeing your eye doctor regularly can help catch changes early and keep your vision clear for the future. Your eyes are a key part of your health, so make caring for them a priority at every age. 

Night Vision Problems: Causes and When to See an Eye Doctor

June 30, 2026
Night vision problems can make everyday activities like driving at dusk, walking in poorly lit places, or adjusting to indoor lighting harder and sometimes unsafe. Trouble seeing in low light, called nyctalopia, is not a disease itself but a sign that something else may be affecting your eyes. Learning what causes night vision problems and when to get help is important for keeping your vision healthy. What Are Night Vision Problems? Night vision problems mean it is hard to see clearly in low light or darkness. Some people notice their eyes take longer to adjust when going from bright to dim places. Others may have trouble with glare from headlights, seeing less contrast, or things just looking dimmer at night. Mild changes in night vision can happen as you get older, but if your symptoms keep getting worse or do not go away, you should pay attention to them. Common Causes of Night Vision Difficulties There are several potential causes of night vision problems. Night vision problems can have many causes, from getting older to certain eye conditions, such as lens problems, leading to blurred vision and increased sensitivity to glare. They are one of the most common causes of poor night vision, especially in older adults. 1. Cataracts Cataracts cause clouding of the eye’s natural lens, leading to blurred vision and increased sensitivity to glare. They are one of the most common causes of poor night vision, especially in older adults. 2. Vitamin A Deficiency Vitamin A is important for keeping your retina healthy. If you do not get enough vitamin A, your eyes may have trouble adjusting to darkness, which can lead to night blindness. 3. Glaucoma Some types of glaucoma can affect your side vision and make it harder to see differences between light and dark. As the optic nerve gets damaged, seeing in low light can become more difficult. 4. Retinitis Pigmentosa This inherited eye condition slowly affects your ability to see at night and to the sides. Early signs often include trouble seeing in the dark. 5. Diabetes-Related Eye Disease Diabetic retinopathy can harm the blood vessels in your retina, which may cause blurry vision and make it harder to see at night. 6. Aging and Pupil Changes As people get older, their pupils do not react to light changes as quickly, and the retina becomes less sensitive. This naturally makes night vision worse over time. Symptoms to Watch For Night vision problems often develop slowly. Some common signs are: Difficulty seeing in low light or darkness Trouble driving at night due to glare from headlights Longer adjustment time when moving between light and dark environments Reduced contrast or clarity in dim settings Frequent squinting or eye strain in low light If these symptoms start to affect your daily life, it is a good idea to get a full eye check-up. When to See an Eye Doctor You should see an eye doctor if you notice new night vision problems, if they are getting worse, or if you have other changes in your vision. The doctor can run tests to find out what is causing the problem and suggest the right treatment. A full eye exam might include checking your retina, testing your field of vision, and taking images to look at your eye health. Finding problems early is very important for conditions like glaucoma, diabetic eye disease, and retinal disorders, because early treatment can help protect your vision. Protecting Your Night Vision Not all causes of night vision loss can be prevented, but taking care of your eyes can lower your risk and help you see better. Some helpful steps are: Scheduling regular eye exams Handling chronic health conditions like diabetes Eating a diet rich in vitamin A and antioxidants Wearing proper corrective lenses if prescribed Avoiding driving with untreated vision changes Prioritizing Your Eye Health Night vision problems can be an early sign of eye disease. Since many eye problems develop slowly, having regular eye exams is one of the best ways to catch changes early and keep your vision healthy for the long term. If you have trouble seeing at night or notice any changes in your vision, making an appointment for an eye exam can help keep your eyes healthy and your vision clear in all types of light.
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