Why LASIK Causes Dry Eyes 

Why LASIK Causes Dry Eyes 

Why LASIK Causes Dry Eyes LASIK, a prevalent type of eye surgery, frequently brings about a welcome end to the inconvenience of glasses or contact lenses. Not all outcomes are without their nuances. As you go about your day, blinking away an occasional awkward sensation in your eyes may become a routine part of post-surgery life. 

The culprit? Dry eyes – an unwelcome guest that settles in after LASIK surgery for some individuals. The tear film coats our eyes to ensure comfort; imagine it disturbed and unable to perform its duty effectively due to surgical intervention. Now couple this with the fact that nerve fibers responsible for triggering tears get severed during LASIK leading to reduced signal for tear production. 

An understanding of these factors prepares one better while considering LASIK as an option. Information forms the first line of defense against misconceptions and unnecessary apprehensions about this condition. 

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What is LASIK Surgery? 

LASIK, or Laser-Assisted In Situ Keratomileusis, is a surgical procedure that reshapes the cornea – the transparent front part of the eye – using an excimer laser. It’s an ingenious solution for those tired of depending on glasses or contact lenses. The main objective? To correct refractive errors in vision which include nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. 

The process entails creating a thin flap in the cornea, lifting it gently to allow access to reshape underlying corneal tissue with laser pulses. These pulses effectively alter the curvature of the cornea resulting in improved light focusing onto your retina, this translates into clearer vision! During this process, nerve fibers responsible for triggering tear production become severed leading to potential dry eyes post-surgery. 

While surgery duration is short and painless thanks to numbing drops applied pre-procedure; precision plays a key role here. A microkeratome or femtosecond laser device creates incisions with utmost accuracy. Post flap creation when it’s lifted aside; you will be asked to focus on a blinking light while your surgeon employs controlled laser energy onto your exposed cornea. 

Post-surgery recovery generally involves minimal discomfort and quick visual improvement within days. One must remember that each individual’s healing response varies and hence timelines differ too. 

The Link Between LASIK and Dry Eyes 

The correlation between LASIK surgery and dry eyes finds its roots in the surgical process itself. During the procedure, tiny nerves in the cornea are cut to create a flap. These severed nerves play a crucial role – they stimulate tear production. Post-surgery, their ability to perform this function takes a hit leading to decreased tear secretion. 

These altered tear dynamics post-LASIK can lead to what we know as ‘dry eye syndrome’. This condition is characterized by symptoms such as burning sensation, irritation or scratchiness in the eyes which patients often describe as having something foreign lodged within their eye confines. Paradoxically but true; watery eyes can also indicate dry eye syndrome. It’s your body’s compensatory mechanism kicking into action due to lack of sufficient lubrication. 

Important it is though for prospective patients contemplating LASIK surgery not to be disheartened by this information. Just because there is an anatomical link doesn’t mean everyone will experience dryness post procedure! It could be mild and temporary for some while others might need additional treatment beyond lubricating drops commonly prescribed post-LASIK. A good conversation with your ophthalmologist about

individual risk factors including age, gender (females being more prone), autoimmune diseases etc., could provide better clarity on prognosis. 

Treatment Options for Dry Eyes 

In the realm of ophthalmology, a myriad of treatments exist to alleviate symptoms associated with dry eyes post-LASIK surgery. These range from simple over-the-counter solutions to more advanced procedures depending on severity and patient comfort levels. Let’s voyage through these options that promise relief to your parched ocular surface. 

Artificial tears or lubricating eye drops form the first line of defense against dryness. They mimic natural tears in providing instant hydration and are available without prescription making them an accessible solution for minor discomfort. 

Prescription eyedrops like Restasis work by increasing tear production while simultaneously reducing inflammation contributing towards dry eye syndrome. Xiidra is another such option that blocks a certain protein responsible for inflammation when used consistently as advised by your healthcare provider. 

Steroid eye drops prove beneficial in managing short-term inflammation which might be causing your dry eyes; best suited for acute exacerbation scenarios due to their potent anti-inflammatory properties. 

Punctal plugs or lacrimal plugs come into play when eye drops fail to provide enough moisture retention. It’s a small device inserted into your tear ducts (puncta) blocking drainage; this increases tear film duration on the cornea translating into increased comfort levels during daily activities. 

LipiFlow thermal pulsation system stands out as an innovative approach treating meibomian gland dysfunction – one underlying cause of evaporative type dry eyes where oil glands get blocked affecting tear quality rather than quantity. The device applies controlled heat along with massage effects onto eyelids clearing blockages enhancing oil flow essential for maintaining healthy tear composition. 

Can I Get LASIK If I Have Dry Eyes? 

Frequently Asked Questions