What causes dry eyes after LASIK surgery?

• LASIK Surgery
• 08 August, 2024
• BY Bajaj Eye Care Centre

It is expected to experience dry eyes after LASIK surgery, and this is a temporary side effect that many patients encounter. The procedure can disrupt the average tear production and moisture balance in the eyes, leading to sensations of dryness, irritation, or discomfort. This condition typically arises as the corneal nerves heal and regain sensitivity, often taking several weeks to months for full recovery. However, most patients find that their symptoms gradually improve over time as their eyes adjust to the changes brought about by the surgery.

Why does dryness occur after LASIK?

One of the primary causes is the disruption of corneal nerves during the surgery, which can reduce tear production. This will eventually lead to reduced sensitivity in the eyes, resulting in less tear flow, which usually improves over time with healing. Furthermore, inflammation due to LASIK also causes this problem by disrupting tear production and distribution over the ocular surface.

How long will dry eyes last after LASIK?

Typically, this dryness may last from a few weeks to several months; however, the duration varies significantly among individuals. Factors such as personal health conditions, the severity of pre-existing dry eye issues, and even environmental influences play crucial roles in recovery. Interestingly, studies suggest that while most patients notice significant improvement within three to six months post-surgery, some may require additional time for their tear production to stabilize.

It’s important to understand that experiencing dry eyes after LASIK is a temporary inconvenience and part of the healing process as your cornea adjusts. The surgery can briefly impair nerve function related to tear production; however, this often resolves as nerves regenerate over time.

Can dry eyes after LASIK be prevented?

• Speak openly with your eye surgeon before and after the procedure regarding any concerns you have about dry eyes. They can give personalized advice and recommendations based on your specific situation.
• Your doctor may recommend artificial tears or lubricating drops to keep moist during the recovery period; these regularly used could help ease dryness.
• Increased water intake should maintain overall hydration since it promotes general well-being, including moisture retention within one’s body (the eyeballs included), thereby preventing post-operative desiccation.
• Try limiting screen exposure (computers/tablets/smartphones) immediately postoperative since they contribute towards fatigue & dehydration of the eyes.
• Using humidifiers at home or work to add moisture to the air is essential, especially if you live in regions with low humidity levels caused by indoor heating during winter seasons or other periods when the climate becomes excessively hot and arid.
• Wind and environmental irritants worsen dryness; however, sunglasses or wraparound glasses can protect your eyes from them, especially while outdoors.

When should I see a doctor for dry eyes after LASIK?

If symptoms continue or worsen even after trying over-the-counter treatments like artificial tears, you should consult with your ophthalmologist, who will recommend more effective alternative plans.