Overview

 

The LASIK Procedure Is Known As “Laser” Vision Correction Because The Actual Work Of Correction Is Done With A Laser, Instead Of With A Blade, As In Some Older Treatments. Unfortunately, Until Recently LASIK Was Not A Fully Laser Procedure, Because The Microkeratome (A Handheld Device With An Oscillating Metal Razor Blade) Was Needed To Cut The Corneal Flap Necessary For The Procedure.

Often Patients Think Their LASIK Procedure Will Be Blade Free Because They Do Not Even Know This First Step Exists. The Idea Of A Metal Blade Cutting Your Eye Open May Deter You From Having The Procedure Performed. In Fact, It Is An Understandable Apprehension, Since Many LASIK Related Complaints Come From The Use Of This Blade.

You Need Not Be Deterred Any Longer. At Precision Laser Eye Center, We Will Never Use A Blade During Any Part Of Your Laser Vision Correction. We Offer Truly 100% Laser Vision Correction, For Blade-Free Safety And Comfort. Every LASIK Procedure We Perform Features Intralase, A Computer-Guided Laser Which Creates The Corneal Flap Using Light Instead Of Metal. Intralase Is Over 100% More Accurate Than The Metal Blade, Giving Dr. Keenan The Ability To Create A Corneal Flap Of Exact Dimensions Not Possible Before.

Definition

Blade-Free Laser Assisted In-Situ Keratomileusis, Or LASIK, Is A Refractive Surgery Procedure Which Uses The Excimer Laser, Applied To The Cornea Under A Thin Flap Of Corneal Tissue, To Help Which Correct Refractive Error, Decreasing Or Eliminating The Need For Glasses Or Contact Lenses. With Blade-Free LASIK, A Laser Is Used For All Portions Of The Procedure.

What Is The Advantage Of Blade-Free LASIK Surgery?

Several Clinical Studies Suggest That Regardless Of Whether The LASIK Flap Is Created With A Blade (Microkeratome) Or Created With A Laser (Blade-Free LASIK), The Visual Outcome Is Excellent. There Does Not Seem To Be A Significant Advantage Of One Way Of Cutting The Flap Versus The Other In Regards To The Vision Obtained After The Surgery. However, Blade-Free LASIK May Offer A Small Advantage Of Safety Over LASIK In Which A Blade Is Used The Cut The Flap. Very Rarely, When A Blade Makes The Flap, The Flap Can Be Made Irregularly, Having A Tattered Edge Or Perhaps A Buttonhole In The Center.

This May Occur If The Blade (Microkeratome) Comes Loose From The Eye During Its Cutting Pass. With A Laser Created Flap In Blade-Free LASIK, This Risk Of An Irregular Flap May Be Smaller. If The Laser Becomes Detached From The Eye During The Cutting Pass, Unlike The Blade, The Laser Can Be Reattached And The Pass Started Over In Most Cases. As Such, A Portion Of Flap Related Complications May Be Avoided With The Blade-Free LASIK Technique. Regardless Of Which Technology Is Used To Make The Flap, Though, The Risk Of Any Problem With Cutting The Flap During The Surgery Is Very Small.

Who Are Candidates For Blade-Free LASIK Surgery?

Blade-Free LASIK Surgery Helps Correct The Vision Of People With Myopia, Hyperopia, And/Or Astigmatism. In Fact, A Large Majority Of People Who Wear Glasses Or Contacts And Suffer From Such Refractive Errorsas These Could Be Candidates For LASIK Surgery Other Excimer Laser Refractive Surgery Such As PRK.

In General, Candidates For Blade-Free LASIK Should Be:

These Conditions May Prevent You From Undergoing Blade-Free LASIK. You Should Alert Your Eye Surgeon If You Have One Or More Of These Conditions So That He Or She Can Help You Make The Best Choice About Undergoing Refractive Surgery:

What Are The Risks Of LASIK Surgery?

The Risks Of LASIK Fall Into Two Main Cattegories : -

Vision Loss Risks, And Nuisance Risks.

Vision Loss Risks

It Is Very Rare To Lose Vision After LASIK Surgery. When Vision Is Lost In An Otherwise Uncomplicated LASIK Procedure, It Typically Is 1 Or Less Lines On The Eye Chart Of Best Corrected Vision Even With Extra Help From Glasses. As Such, LASIK Surgery Has A Very Good Safety Profile. Two Other Ways May Exist In Which Vision Could Be Lost To A More Severe Degree.

Infection

Since Cuts Are Made On The Eye, It Is Possible That Bacterial Could Gain Access To The Corneal Tissue And Start An Infection. Scarring From Such An Infection Could Lead To Vision Loss. This Is Very Uncommon As Powerful Antibiotics Are Used After LASIK To Prevent Infection. The Risk Of Severe Infection Is Probably Less Than 1 In 500.

Progressive Corneal Warpage (Ectasia)

In This Condition, The Cornea Begins To Warp In Odd Directions, Leading To Loss Of Vision. Occasionally, A Corneal Transplant Is Required To Fix This Condition.

Nuisance Risks

Most Of The Other Risks Associated With LASIK Surgery Don’t Usually Cause A Significant Loss Of Vision. Rather, They Can Cause Nuisance Problems With The Eyes That May Not Have Been Present Before The Surgery.

Dry Eye

Almost Everyone Undergoing LASIK Has Some Mild Dryness, In Which The Eyes Feel Somewhat Scratchy From Time To Time During The Day. Typically, These Symptoms Resolve Over The Course Of Several Months. A Small Percentage Of People, However, Have Chronically Worse Dry Eyes After LASIK, Which May Require Continuous Treatment With Drops Or Dry Eye Medications.

Night Vision Symptoms

Some Patients Notice Their Night Vision After LASIK Surgery Is Different Than Before. Usually, This Occurs In The Form Of Halos Around Streetlights, Added Glare From Oncoming Traffic Or Increased Difficulty Seeing Dimly Light Shapes In The Dark.

Flap Complications

Occasionally, In The Process Of Making The Thin Corneal Flap For LASIK Surgery, The Flap Is Made With An Irregular Edge Or A Buttonhole In The Center. If This Occurs, The Surgeon Will Replace The Flap On The Eye, Not Perform The Excimer Corneal Ablation, And Allow The Eye To Heal. Little If Any Vision Is Usually Lost In Such A Complication. However, It May Take Several Months For The Eye To Fully Heal. Surface Laser, Such As PRK Can Often Still Be An Option For Laser Vision Correction Several Months Later If A Problem With The Flap Occurs During LASIK.

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