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Treatment for Post-Surgical Vision Loss

How best to treat a patient who has suffered vision loss due to LASIK, RK or some other surgical procedure depends on a number of factors. Some of the symptoms and issues facing the doctor and patient included but are not limited to the following:

• Reduced best corrected visual acuity
• Irregular or distorted corneas
• Open wounds and/or weakened corneal flap
• Higher order aberrations
• Decentered optic zones
• Corneal ectasia
• Extremely dry eye
• Ocular pain and headaches
• Vitreous floaters
• Reduced contrast sensitivity
• Dramatically reduced night vision
• Visual phenomena such as glare, flare, halos around lights, starbursts
• Overcorrection of the pre-surgical refractive error
• Emotional issues due to many of the above factors

At the present time there is no cure for many of the above. However, there are a number of specialized lenses now available that will allow post-surgical patients to function on a much higher level with a much greater level of comfort. While there are a number of soft lens and gas permeable lens designs included in the “specialized lens” category, I have come to rely on two major lens designs to address the vision and comfort issues that most post-refractive surgical patients are facing. These lens designs are the new Synergeyes Post-Surgical Lens and Post-Surgical Scleral Lenses.

Synergeyes Post-Surgical Lenses are “hybrid” lenses. This lens consists of a highly oxygen permeable central area “married” to a soft periphery. The geometry of the lens is designed to fit over the irregular cornea without irritating the compromised corneal tissue. The soft peripheral portion of the lens gives superior comfort while at the same time creating a stable fit. Unlike previous hybrid lenses, the interface or juncture where the soft and rigid portions meet is extremely resistant to tearing or damage. In addition, the Synergeyes Post-Surgical lens is hundreds of times more oxygen permeable than it’s predecessors.

Scleral lenses are large gas permeable lenses which vault over the compromised cornea and rest on the white portion of the eye (the sclera). Comfort and vision are extremely good. A special liquid fills the space between the back surface of the lens and the front of the cornea. This type of lens, when fit correctly, very often allows the dried cornea to heal. Often, traumatized corneal tissues don’t heal due to the blinking action of the eyelids and various irritants in the environment (air conditioning, dust, allergens etc.). Scleral lenses protect the compromised corneal tissue allowing the eye to heal while providing vision that no other type of lens can provide.

There is no way of knowing before hand which type of technology will work best. Very often I will fit a post-surgical patient with both types of lenses at the initial session. If a patient has a weakened Lasik flap or if there is incomplete healing, a scleral lens may work out best. To save time and reduce the number of follow-up office visits, I will very often order both types of lens designs and evaluate both at the dispensing visit.

The above lens designs provide superior vision due to the fact that there is a rigid material in front of the pupil and along the line of vision. They essentially replace the cornea as an optical surface. Soft lenses, while providing good comfort, take on the same shape as the irregular cornea. Crisp, sharp vision, therefore is not possible with soft lenses. In addition, soft lenses lie on top of the dried-out, distressed cornea, very often making matters worse by drying out the tissue and preventing the tissue from regenerating.


Providing patients with vision recovery LasikHope.com

Corneal Topography Miami, Eye Dryness Treatment Miami, Corneal Ectasia, Scleral Lenses, Radial Keratotomy, LASIK Damage, Keratoconus Treatment Miami, Ectasia Corneal, Dry Eye Treatment in Miami, Synergeyes Lenses, Orthokeratology, LASIK Complications, Reduced Contrast Sensitivity, Vitreous Floaters, keratoconus, Treatment For Color Blindness, Eye Symptoms, Dry Eye Symptoms, Common Eye Diseases, Corneal transplant, Optical Coherence Tomography, Lentes SynergEyes, Dry Eye Syndrome, cornea transplant

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