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.

What to Expect During Your First Eye Exam: A Step-by-Step Guide

September 22, 2026
A thorough eye exam is an important part of keeping your vision healthy and protecting your eyes. If you are arranging for your first eye examination as an adult, if you are taking a child in for an evaluation, or if you have noticed any changes in your vision, knowing what to expect can help make the experience more comfortable. The eye exams carried out at Baptist Eye Surgeons not only check your vision but also look at your general eye health and spot any possible problems that might call for further investigation. What is the Importance of Eye Examinations? An eye examination does not merely enable one to find out if glasses or contact lenses are required. It lets an eye care professional assess how well your eyes are working and spot the signs of common eye conditions.  Some eye conditions can progress slowly without symptoms. Regular eye checkups can help detect changes earlier and make sure you receive appropriate treatment when needed. Step by step: The Process Involved in Having an Eye Examination Even though the different appointments may vary according to your particular needs, a typical full eye examination will involve a number of significant steps. 1. An Examination of Your Medical & Eye History Your appointment may start with questions about your vision, medical history, medications, any previous eye conditions, and your family history of eye disease. Be sure to report any changes in your vision, eye discomfort, headaches, or other concerns you have noticed. Your eye care professional may also ask about the glasses or contact lenses you currently use and how well they work for you. 2. Checking Your Vision A well-known part of an eye examination is the visual acuity test. You might be asked to read some letters or symbols from a chart at a set distance. This lets doctors assess how clearly you can see and decide whether corrective lenses would help. Further testing could assess your ability to see up close and the way well your eyes work together. 3. The Measurement of Eye Health & Function Your eye care professional might carry out a number of tests in order to assess the health and functioning of your eyes. The tests involved may vary depending on your age, symptoms, and risk factors and could include measuring eye pressure, examining eye movement and coordination, and looking at the structures at the front and back of the eye. They can help spot possible signs of eye disorders. 4. Discussing Your Results Your ophthalmologist will review the results with you after the examination. If your vision has changed, they may suggest new prescription lenses. If they spot an eye condition or another issue, they could recommend further testing, further monitoring, or treatment. It is also a good chance to ask questions regarding your eye health and the recommended follow-up care. What Should You do to Get Ready for your First Eye Examination? Having an eye examination usually involves nothing complicated. It is a good idea to take with you your present glasses or contact lens details and to be ready to give a list of any medications as well as any applicable medical or family history. Additionally, it might be helpful to remember any vision changes or symptoms you have had. Dilation may occur during the examination if certain tests are performed. After dilation has been advised, your vision might be temporarily blurred or more sensitive to light. Supporting Healthy Vision The initial eye examination is a valuable chance to determine a baseline for your eye health and understand your specific vision needs. Regular eye exams help monitor changes over time and support early detection of possible eye conditions. Plan a visit with an eye care professional if you have discovered any changes in your vision or if you're due for a check-up.

Children’s Vision Milestones: What Parents Should Watch For

August 28, 2026
Healthy vision is essential for a child's development, learning, and daily activities. From recognizing faces in infancy to reading, participating in sports, and navigating school, children depend on their eyesight to interpret and relate to their environment. Knowing typical vision milestones helps parents spot possible issues and seek appropriate care when needed. How Does Vision Develop in Children? Vision develops rapidly during the first years of life. Newborns perceive light, shapes, and nearby objects, although their vision remains immature. As children mature, their capacity to focus, track moving objects, recognize details, and coordinate both eyes improves progressively. Due to the gradual nature of visual development, regular eye examinations are essential. Certain childhood vision problems may not be readily apparent, especially when one eye is stronger than the other. Although each child develops at an individual pace, several general vision milestones may guide parental observation. 1. Infants: Birth to 12 Months Within the first year, infants typically develop the ability to focus on faces and objects, visually track moving items, and reach for objects they observe. Caregivers may also observe infants responding to known faces and visually exploring their environment. If an infant does not track objects, exhibits eyes that frequently cross or wander, or fails to respond visually to people or objects, these concerns should be discussed with a pediatrician or eye care professional. 2. Toddlers: Ages 1 to 3 As children become more active, their visual skills continue to develop. Toddlers rely on vision to walk, climb, manipulate small objects, and interact with toys. Over time, they typically improve in identifying familiar people and objects and in coordinating eye and hand movements. Frequent eye rubbing, squinting, sitting close to screens, or difficulty seeing objects could indicate the need for an eye exam. 3. Preschool and School-Age Children By preschool and early elementary school, children utilize vision for detailed activities including coloring, drawing, letter recognition, reading, and participating in games. Effective eye coordination and focusing abilities support learning and classroom performance. Children may not always realize their vision differs from other children’s, so parents should watch for signs such as headaches, avoiding reading, losing their place while reading, holding books unusually close, or struggling to see the board. Signs of Possible Vision Problems Caregivers should monitor for changes in a child's vision or behavior. Potential warning signs include: Frequent squinting or eye rubbing Eyes that cross, wander, or do not move together Complaints of blurry or double vision Frequent headaches Difficulty reading or concentrating Sitting very close to a television or screen Tilting or turning the head to see Covering or closing one eye Difficulty recognizing objects or seeing at a distance Avoiding activities that require close or distance vision If you notice these signs, speak with a pediatrician or eye care professional. The Importance of Children’s Eye Exams Regular eye examinations can identify vision problems before they interfere with learning and development. Eye care professionals assess visual acuity, binocular coordination, and common childhood eye conditions. Early detection matters because some vision problems are easier to address when identified in childhood. Parents must follow their child’s healthcare provider's recommendations for vision screenings and comprehensive eye exams. Helping Protect Your Child’s Vision Caregivers can promote healthy vision by encouraging beneficial habits. These include spending time outdoors, taking regular screen breaks, using appropriate protective eyewear during activities, maintaining a balanced diet, and attending recommended pediatric and eye care appointments. Supporting Healthy Vision at Every Age Knowing children's vision milestones helps caregivers distinguish typical development and spot possible issues early. Throughout infancy and the school years, monitoring how a child sees, focuses, and interacts with their environment is vital for supporting healthy development.  If you notice concerns about a child's eyesight or alterations in vision, consult a healthcare provider or eye care professional. Early attention to vision supports learning, development, confidence, and overall quality of life.

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.