
Waking up with blurry vision or struggling to read signs despite wearing glasses can be frustrating. While many assume a prescription update is needed, that’s not always the case. Blurry vision may be a sign of other underlying health issues that require medical attention.
Claire Y. Chu, M.D., a board-certified ophthalmologist and leading provider at Cornerstone Eye Associates in Dallas, specializes in advanced technology cataract surgery and has spent over 15 years training future eye care professionals at UT Southwestern Medical School. Named to the D Magazine Best Doctors List, Dr. Chu delivers expert, patient-focused care rooted in clinical excellence. Detecting the source of vision changes early is essential for long-term eye health.
No. 1: Dry Eye Syndrome
When your eyes don’t produce enough quality tears, the surface of the eye can become dry, irritated, and unstable. This often results in blurry or fluctuating vision throughout the day. Dry eye symptoms may be more noticeable during screen time, in dry or windy environments, or after extended periods without blinking frequently.
No. 2: Digital Eye Strain
Spending long hours on computers, phones, or tablets can overwork the eye muscles and lead to digital eye strain. Also known as computer vision syndrome, this condition can cause symptoms such as blurry vision, dry eyes, headaches, and difficulty refocusing.
People who work on screens without regular breaks or proper lighting are especially at risk. Symptoms often worsen by the end of the day and can impact daily comfort.
No. 3: Eye Infections
An eye infection can quickly interfere with vision clarity. Conditions like conjunctivitis (pink eye) or keratitis can cause inflammation, discharge, and blurred vision.
These infections can develop from bacteria, viruses, or improper contact lens hygiene and should be treated promptly to prevent complications.
No. 4: High Blood Sugar
For individuals with diabetes or undiagnosed blood sugar imbalances, blurred vision may be an early warning sign. Spikes in blood glucose can cause the eye’s natural lens to swell, temporarily altering vision.
Persistent high blood sugar can lead to long-term damage, such as diabetic retinopathy.
No. 5: Cataracts or Other Conditions
Cataracts develop slowly and cloud the eye’s natural lens, making vision appear hazy or dim. Other eye conditions—like glaucoma or macular degeneration—can also reduce vision clarity. These issues are often progressive and may go unnoticed without regular exams.
Why Blurry Vision Deserves a Closer Look in Dallas, TX
If your vision remains blurry even with your glasses on, it may be time to look beyond your prescription. Conditions like dry eye, high blood sugar, or the development of cataracts can all affect your eyesight, and early detection makes a significant difference.
A full exam can help pinpoint the exact cause of your vision issues and get you on track with the right treatment. Contact us today at 214-862-3219 to schedule your consultation and take a step toward clearer, more comfortable vision.