Written and medically reviewed by Dorcas Morak, Pharm.D
It’s easy to chalk up blurry vision to a long day in front of a screen or a poor night’s sleep. But when visual symptoms persist, your eyes may be sending a more important signal. Routine eye exams do more than update your glasses prescription—they can detect early signs of glaucoma, cataracts, diabetic eye disease, macular degeneration, and other conditions that, left untreated, can lead to permanent vision loss.
Signs You May Need an Eye Exam
Blurry or hazy vision is one of the most common warning signs that it may be time for an eye exam, but it’s far from the only one. Other symptoms that deserve attention include:
- Frequent headaches
- Eye strain after reading or screen use
- Double vision
- Difficulty seeing at night
- Increased sensitivity to light
- Sudden floaters or flashes of light
Floaters and flashes, in particular, can indicate a retinal tear or retinal detachment, which requires immediate medical attention.
Can Too Much Screen Time Cause Blurry Vision?
Extended screen use can contribute to digital eye strain, a common condition that causes temporary blurry vision, dry eyes, headaches, neck pain, and eye fatigue. Many people blink less frequently when looking at digital devices, which can worsen dryness and discomfort.
Eye care professionals often recommend the 20-20-20 rule: every 20 minutes, look at something at least 20 feet away for 20 seconds. While digital eye strain is usually temporary, persistent blurry vision should still be evaluated by an eye care professional.
How Often Should Adults Get a Comprehensive Eye Exam?
The American Academy of Ophthalmology recommends that adults receive a baseline comprehensive eye exam at age 40, followed by exams every one to two years depending on age, risk factors, and existing vision issues. Individuals with higher risk should typically be examined annually, including those with:
- Diabetes
- High blood pressure
- A family history of glaucoma
- A family history of retinal disease
- Age 65 and older
Skipping exams because your vision seems fine is exactly why regular screenings matter. Many serious eye diseases develop without noticeable symptoms in their early stages.
Glaucoma Symptoms, Risks, and Treatment Options
Glaucoma damages the optic nerve, often due to increased pressure inside the eye. It is one of the leading causes of irreversible blindness worldwide.
Known as the "silent thief of sight," glaucoma usually develops slowly and painlessly. Most patients do not notice vision changes until significant damage has already occurred. Regular eye exams allow glaucoma to be detected and treated before permanent vision loss occurs.
Common Glaucoma Eye Drops and Medication Costs
Prescription eye drops are the most common first-line treatment for glaucoma. These medications work by either reducing fluid production within the eye or improving drainage.
Commonly prescribed glaucoma medications include:
- Latanoprost (Xalatan)
- Timolol (Timoptic)
- Brimonidine (Alphagan P)
- Dorzolamide (Trusopt)
- Dorzolamide-timolol (Cosopt)
Many glaucoma medications are available as generics, which can significantly lower monthly treatment costs.
How Diabetes Can Affect Your Vision
Diabetic retinopathy is one of the leading causes of vision loss among working-age adults. The condition occurs when elevated blood sugar damages the small blood vessels in the retina.
Anyone living with Type 1 or Type 2 diabetes should receive a dilated eye exam at least once per year, even if they have no symptoms.
Managing blood sugar is one of the most effective ways to protect eye health. Common diabetes medications include:
- Metformin
- Semaglutide (Ozempic, Rybelsus)
- Tirzepatide (Mounjaro)
- Insulin products such as insulin glargine (Lantus) and insulin lispro (Humalog)
What Is Macular Degeneration?
Age-related macular degeneration (AMD) affects the macula, the central part of the retina responsible for detailed vision. It is one of the most common causes of vision loss among older adults.
Symptoms may include:
- Blurry central vision
- Difficulty reading
- Distorted straight lines
- Trouble recognizing faces
Wet AMD can progress rapidly and may require treatment with anti-VEGF medications administered by an eye specialist. Examples include:
- Aflibercept (Eylea)
- Faricimab (Vabysmo)
- Ranibizumab (Lucentis)
Routine eye exams can help identify AMD before significant vision loss occurs.
Prescription and OTC Treatments for Dry Eye Disease
What Is Dry Eye Disease? Dry eye disease occurs when your eyes do not produce enough tears or when tears evaporate too quickly. It is one of the most common eye conditions, particularly among older adults, contact lens wearers, and people who spend long hours using computers, tablets, and smartphones.
Common symptoms include:
- Burning or stinging eyes
- Redness
- Gritty or sandy sensations
- Blurry vision
- Eye fatigue
- Excessive tearing
Dry eye disease can range from mild irritation to a chronic condition that affects daily activities and quality of life.
Prescription and OTC Treatments for Dry Eye Disease Prescription treatment options include:
- Cyclosporine (Restasis)
- Lifitegrast (Xiidra)
- Perfluorohexyloctane (Miebo)
For mild to moderate symptoms, over-the-counter artificial tears may provide relief. Common ingredients include:
- Carboxymethylcellulose
- Sodium hyaluronate
- Polyethylene glycol
Patients should avoid overusing redness-relief drops containing ingredients such as tetrahydrozoline, as frequent use can lead to rebound redness.
Medications for Eye Infections and Pink Eye
What Is Pink Eye? Pink eye, also known as conjunctivitis, is inflammation of the conjunctiva—the thin, clear membrane covering the white part of the eye and inner eyelids. Symptoms often include redness, itching, discharge, watering, and irritation.
Pink eye can be caused by:
- Bacterial infections
- Viral infections
- Allergies
- Environmental irritants
Treatment depends on the underlying cause.
Medications for Eye Infections and Pink Eye Bacterial conjunctivitis may be treated with prescription antibiotic eye drops such as:
- Ofloxacin (Ocuflox)
- Tobramycin (Tobrex)
- Ciprofloxacin (Ciloxan)
Allergic conjunctivitis often responds well to over-the-counter antihistamine eye drops such as:
- Ketotifen (Alaway, Zaditor)
- Olopatadine (Pataday)
A pharmacist can help assess your symptoms and recommend appropriate over-the-counter treatments or advise when you should seek evaluation from an eye care professional.
Eye Drops Commonly Used After Cataract Surgery
What Is Cataract Surgery? A cataract occurs when the eye's natural lens becomes cloudy, causing blurry vision, glare, difficulty driving at night, and faded color perception. Cataracts become increasingly common with age and are a leading cause of vision impairment worldwide.
Cataract surgery removes the cloudy lens and replaces it with a clear artificial lens called an intraocular lens (IOL). It is one of the safest and most frequently performed surgical procedures in the United States.
Eye Drops Commonly Used After Cataract Surgery Following surgery, patients are often prescribed a combination of antibiotic, steroid, and anti-inflammatory eye drops to help prevent infection and reduce inflammation.
Common examples include:
- Prednisolone acetate (Pred Forte)
- Ketorolac (Acular)
- Bromfenac (Prolensa)
- Moxifloxacin (Vigamox)
Following the prescribed eye drop schedule is important for proper healing and recovery.
How Much Does an Eye Exam Cost?
The cost of a comprehensive eye exam varies depending on location, provider, and insurance coverage.
For patients paying out of pocket, routine eye exams commonly range from approximately $75 to $250. Additional testing for glaucoma, retinal disease, diabetic eye disease, or other eye conditions may increase costs.
Many vision insurance plans cover routine eye exams, while medical insurance may cover exams related to eye disease, injury, or ongoing medical conditions.
How to Save Money on Prescription Eye Medications
Eye medication prices can vary significantly between pharmacies. Even common prescriptions can have dramatically different prices depending on where they are filled.
Generic medications such as latanoprost, timolol, dorzolamide, ofloxacin, ketorolac, and prednisolone acetate often cost substantially less than brand-name alternatives.
The RxLess® Assurance Plan helps members compare prescription prices at more than 70,000 pharmacies nationwide. By checking prices before heading to the pharmacy, patients can find savings on many commonly prescribed eye medications, including glaucoma treatments, antibiotic eye drops, anti-inflammatory medications, and certain dry eye therapies.
To join the RxLess® Assurance Plan, simply download the free RxLess® app. Membership is automatic, and there are no enrollment fees.
When Blurry Vision Is a Medical Emergency
Some vision symptoms should never be ignored.
Seek immediate medical attention if you experience:
- Sudden vision loss
- Severe eye pain
- A dark shadow or curtain across your vision
- A sudden increase in floaters
- Flashes of light
- Double vision accompanied by neurological symptoms
These symptoms can indicate serious conditions such as retinal detachment, acute angle-closure glaucoma, stroke, or other vision-threatening emergencies.
When in doubt, contact your eye doctor immediately or seek emergency medical care. Early treatment can make the difference between preserving vision and permanent vision loss.
