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Microscopy assisted Lasik

MICROSCOPY

Microscopy assisted Lasik

Microscopy is more popular than ever. In the 20 years that LASIK eye surgery has been FDA approved, more than 10 million people have invested in better vision. A bioengineering research team at the University of Maryland is developing a new form of microscopy that could be a game changer. Their research was published in Physical Review Letters.

Even with the use of microscopy during LASIK, eye surgeons still estimate the refractive properties of the eye, using the patient’s acuity – that is how close a person comes to having 20/20 vision without glasses.

How to  Choose the Best Lasik Surgeon >>

As research teams work to create new microscopy techniques, the University of Maryland’s Department of Bioengineering, is finding a resolution to make this technology even more precise. They have developed a technique that would allow doctors to perform LASIK using precise measurements of how the eye focuses light.

Assistant professor at the University of Maryland, Guiliano Scarcelli, says this could be a big first for LASIK. “Light is focused by the eye’s cornea because of its shape and what is known as refractive index. But until now, we could only measure its shape.”

Microscopy procedures can fix common eye problems like near and farsightedness. What needs to be repaired? The cornea. A doctor reshapes it to improve the sharpness of a person’s vision. Right now, doctors are altering the shape without the ability to exactly measure how much the path of light is bent when it hits the cornea.

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In order to measure the path light takes to hit the eye, the refractive index needs to be measured. Refractive index is a number that defines how fast light spreads through a material. By mapping the distribution and variations of the local refractive index within the eye, doctors would know the exact degree of corneal refraction.

With this information, doctors would be better equipped to customize a LASIK procedure to each individual patient. An eye surgeon could then be confident in telling a person they could walk away with perfect vision.

Related Article: Am I a Good Candidate for Lasik >>

Scarcelli says a doctor might not even have to cut into the cornea anymore. “Non-ablative technologies are already being developed to change the refractive index of the cornea, locally, using a laser.” His team at the University of Maryland developed a microscopy technique using Brillouin spectroscopy. This is a light-scattering technology that was formerly used to sense the mechanical property of tissue and cells without disrupting or destroying either. Theoretically, by using this technology, they are able to directly determine the refractive index.

Microscopy assisted Lasik is still just a theory, but it is a great example of how Lasik technology is constantly expanding and developing. It is important to choose an eye surgeon that is up-to-date on the latest Lasik procedures, such as Drs Dello Russo who provide patients with no-blade Lasik. Book a consultation with the team by calling 1(866) 776-6891.

Am I a Good Lasik Eye Surgery Candidate?

lasik eye surgery candidate

Are you a good Lasik eye surgery candidate? Read on to learn some of the criteria your eye doctor will ask about to determine if laser vision correction is right for you.

Am I a Good Lasik Eye Surgery Candidate?

Lasik is the most popular solution for blurry vision. This safe, effective treatment provides nearly instantaneous improvement and long-term benefits that appeal to most anyone who suffers from the tediousness of contacts or the challenges of glasses. While Lasik is a fantastic solution for refractive errors in vision, the surgery is not for everyone. In order to ensure the safest, most optimal results possible, it is important to determine if you are a good LASIK eye surgery candidate.

Are Your Eyes Healthy?

Besides nearsightedness or farsightedness, Lasik eye surgery candidates should have healthy eyes, free of certain conditions, such as cataracts, uncontrolled glaucoma, or conjunctivitis. Speak with your eye surgeon if you experience symptoms associated with dry eyes, such as blurry vision, stinging or burning, a sensation that something is in your eye, sensitivity to wind, or excessive tears. These may be indicative of severe dry eye syndrome, a condition that can be exacerbated with Lasik and therefore affect your standing as a Lasik eye surgery candidate. Similarly, good Lasik candidates should be free of past eye injuries.

Related Article: Dry Eyes and Lasik >>

Are Your Corneas Thick Enough?

Lasik improves blurry vision by reshaping the cornea. Therefore, your cornea must be thick enough to operate on in order for you to be a good lasik eye surgery candidate. This is especially true if you opt for older versions of laser eye surgery from surgeons using out-of-date technologies and techniques. Recent advancements, such as bladeless lasik using a femtosecond laser allows your NYC eye surgeon to create a thinner flap to better protect the underlying corneal tissue that is reshaped to correct blurry vision.

Is your prescription too high?

Some individuals with really bad eyesight, requiring a high prescription, may not be good Lasik eye surgery candidates. For example, patients with extreme myopia may require too much corneal tissue to be removed to qualify for Lasik.

Are you old enough?

Depending on the exact procedure your undergo to correct blurry vision, you must be at least 18 or at least 21 years old, unless your eye surgeon considers you to be a viable exception for this age requirement. One of the main reasons for the age requirement is the changes that commonly occur in vision during your teenage and early adult years. Lasik should not be performed until you have stable vision for at least a year.

Are you in overall good health?

There are certain conditions that may affect your ability to heal after your Lasik surgery that may influence your candidacy for laser eye surgery. This includes uncontrolled autoimmune diseases or uncontrolled degenerative conditions such as AIDS, Type I diabetes, or rheumatoid arthritis. In addition, certain medications, like immunosuppressants or Accutane (which can exacerbate dry eye) also require special consideration before undergoing eye surgery.

Are you a good Lasik eye surgery candidate?

The best way to determine if you are a good Lasik eye surgery candidate is to schedule a complimentary consultation with Dello Russo Laser Vision in NYC and New Jersey. Even if you do not fit all the requirements for Lasik, Dr. Dello Russo may be able to control the condition that is stopping you from getting Lasik. Alternatively, another type of eye surgery, such as PRK, may be better suited for your situation.

Get started by scheduling a complimentary consultation online or by calling Dello Russo Laser Vision at 1 (800) 393 2273.

PREVENTING DRY EYES AFTER LASIK WITH NEW TECHNOLOGIES

PREVENTING DRY EYES AFTER LASIK WITH NEW TECHNOLOGIES

Dry eyes are a condition that millions of people suffer from. Many will not even consider improving their vision with LASIK, because they believe their dry eyes could worsen. In most cases, dry eyes are caused when a person does not produce enough tears, or the right consistency to adequately lubricate the eye. Read on to learn why older technologies became associated with causing dry eyes after LASIK and how newer technologies greatly diminish this risk and deliver the best vision possible.

What causes dry eyes?

Ultrafine nerve fibers in your eye actively monitor the corneal surface for irritation and dryness. Stimuli of those nerves cause the eye to blink and to secrete more tears. The neurotransmitters also trigger cells on the surface of the cornea to reproduce and divide. If these nerves are damaged, corneal sensitivity may be reduced. As a result, your eye may not know that it needs lubrication, producing less tears then it needs.

In addition, certain medications and environmental factors can lead to dry eyes or dry eye syndrome. Wearing contact lenses, allergies (and their remedies,) or heating and air conditioning systems, could all contribute to the condition. If it is not fixed, it could lead to cornea inflammation, as well as red eyes and painful itching.

Can LASIK aggravate or cause dry eyes

In the beginning years of laser vision correction, dry eyes after surgery was one of the most common side effects of LASIK. During a LASIK eye surgery, a small corneal flap is created to allow access to the deeper layers of the cornea. While creating the cornea flap, some nerve fibers are severed or disrupted, impeding their function and ability to regenerate, leading to dry eyes after LASIK

Learn more about the LASIK procedure >>

However, newer technologies have significantly decreased the occurrence of dry eyes after LASIK.

PREVENTING DRY EYES AFTER LASIK

Eye surgeons recommend patients use lubricating eye drops or other therapies to keep moisture in the eyes following LASIK eye surgery.  As a precaution, your surgeon may give you treatments before the procedure to increase eye lubrication, even if you do not suffer from dry eyes.

However, the best way eye surgeons can decrease the occurrence of dry eyes after LASIK is to decrease disruption of the cell structure when creating the cornea flap. By preserving the cell structure as much as possible, fiber optic nerves are preserved and can more easily regenerate themselves following laser eye surgery.

This is why discerning patients insist their NYC LASIK provider use the latest generation of eye lasers for their procedure. When a skilled and experienced eye surgeon utilizes the best technology and most advanced techniques available, they ensure patients receive the best results possible, with the least amount of side effects possible, such as dry eyes after LASIK.

NEW TECHNOLOGY PREVENTS DRY EYES AFTER LASIK

Dr. Dello Russo, world-renowned eye surgeon and leading LASIK NYC provider, decreases the chance of dry eyes after LASIK by using a gentle laser with highly focused energy for the greatest precision possible when creating the cornea flap. This technique improves the disruption of the orderly orientation of collagen fibers in the cornea. Older LASIK technologies that use an overload of laser pulse energy or poor laser focus from a second laser will create a disorganized collagen next to the flap interface, increasing the probability of dry eye symptoms.

Another innovative technique employed at Dello Russo Laser Vision to prevent dry eyes provides customized LASIK using wavefront mappingof the corneal bed. This high magnification and topographical mapping of the patient’s cornea provides the surgeon with greater precision to preserve vital nerves and cell structures.

Infrared femtosecond lasers over bladed microkeratomes is another advanced LASIK technique that ensures the surface of the corneal bed and undersurface of the LASIK flap are as smooth as possible, a factor proven to be fundamental in preventing dry eyes after LASIK.

DON’T LET THE FEAR OF DRY EYES KEEP YOU FROM PERFECT VISION

The side effect of dry eyes after LASIK can be a fear of the past by choosing a NYC LASIK surgeon that provides patients with the highest standard of care possible by using the most advanced LASIK technology available. That is why discerning patients choose Dello Russo Laser Vision for Lasik in NYC or New Jersey. With unparalleled experienced and a career built around developing and utilizing innovative LASIK techniques, Dr. Dello Russo guarantees his patient’s receive the best results possible. Find out if LASIK is right for you by scheduling a complimentary consultation with Dr. Dello Russo by signing up online or calling (800) 393 2273.

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