Your tears need to work, not just be present
Dry eye can develop when the eyes produce too little tear fluid, when tears evaporate too quickly, or when the tears do not function properly. Symptoms can include burning, a gritty feeling, redness, light sensitivity, and blurred vision. Not everyone experiences the same combination. 1.
Similar symptoms can have different causes. Describing when discomfort happens is useful, but it cannot establish a diagnosis on its own. An eye-care professional can assess the surface of the eye along with other possible reasons for your symptoms.
Screens are one piece of the picture
People may blink less during prolonged screen use, which can contribute to dry eye. Wind, smoke, and dry surroundings can also speed tear evaporation. Some medications and medical conditions affect tear production or function, so a useful assessment looks beyond your device. 2.
Bring a current medication list to your visit, including nonprescription products. Mention contact lens wear, previous eye procedures, and relevant health conditions. Do not stop a prescribed medicine because you suspect it is affecting your eyes; discuss the concern with your treating clinician.
What an examination may include
Your clinician may examine your eyes and eyelids with a slit lamp, a microscope with a bright light. A small amount of dye can make the tear film easier to evaluate. Tear break-up testing measures how long that film remains intact after a blink, while other tests can assess tear production. The tests chosen depend on your situation. 3.
The goal is to understand the cause and discuss appropriate options, not simply to assign every uncomfortable eye the same treatment. Ask what the findings mean, how the proposed plan addresses them, and when your symptoms should be reassessed.
Bring a short symptom timeline
- When did the symptoms begin, and do they affect one eye or both?
- Which activities or environments make them more noticeable?
- Does the discomfort come with blur, redness, or light sensitivity?
- Which eye drops or contact lens products are you using?
- How is the problem affecting reading, work, or other daily activities?
You do not need to arrive with a diagnosis. A few clear observations can make the conversation more useful. For persistent symptoms, explore our dry-eye care or request an appointment using the links below.
Do not attribute sudden changes to screen fatigue
A sudden increase in floaters, flashes of light, or a curtain or shadow over your vision needs immediate eye care or an emergency-department visit. These can be signs of retinal detachment and should not wait for a routine dry-eye appointment. 4.
Sources & information
- 01National Eye Institute: Dry eye ↗
- 02National Eye Institute: Causes of dry eye ↗
- 03National Eye Institute: Testing for dry eye ↗
- 04National Eye Institute: Retinal detachment ↗
Sources checked October 26, 2026. General educational information, not a diagnosis or personal treatment recommendation. An examination is needed to understand your own symptoms. For a medical emergency, call 911.