DR BOOTHE - LASIK EYE

Trephine - (truh-FEEN) A surgical tool with serrated edges, used to cut circular pieces. It’s used in a LASEK procedure instead of a microkeratome to cut the corneal flap.

DR. WILLIAM BOOTHE

Epikeratome - A surgical tool similar to a microkeratome, used to make the corneal flap in an Epi-LASIK procedure. It has a blunt separator where the microkeratome, used in LASIK procedures, has a very thin and sharp blade. It’s another way of making the corneal flap and does not involve the use of alcohol, as LASEK procedures do. Each way of making the corneal flap has its advantages and disadvantages and consultation with an experienced eye surgeon will determine which would be best for you.
Anterior Basement Membrane Dystrophy - The most common corneal dystrophy. An eye condition where the membrane that lies beneath the epithelial cells (surface cells) of the cornea is uneven and traps cells below it which should normally rise above it. It impairs vision, is usually hereditary, and fluctuates in severity over the person’s lifetime. It’s also called Map-Dot-Fingerprint Dystrophy (a name based on how it looks microscopically), and Epithelial Basement Membrane Dystrophy

DR. WILLIAM A. BOOTHE - DALLAS

DR WILLIAM A. BOOTHE - DALLAS LASIK: Refraction - The bending of light rays. To have clear vision, the eye must focus light rays on the retina, which means bending them as they enter the eye. Two structures in the eye perform refraction: the cornea and the crystalline lens.
DR. WILLIAM BOOTHE - EYE SURGERY
DR. WILLIAM A. BOOTHE - EYE SURGERY
DR WILLIAM BOOTHE - DALLAS LASIK

Refractive Errors are hyperopia, myopia, astigmatism and presbyopia.

Retina is the part of the eye that lines the inside wall of the eye and consists of fine sensory tissue which acts as the film in a camera that captures and transmits images.

Sclera is the tough, white, outer layer (coat) of the eyeball and, with the cornea, protects the entire eyeball.

Dr William A. Boothe
DR WILLIAM A. BOOTHE: Vitreous Fluid - The jelly-like fluid that fills the main part of the eye, between the lens and the retina. It’s clear so as to give light rays an unobstructed path to the retina, and to keep that clarity, it contains phagocytes, cells which ingest and destroy foreign matter.

Vitreous Humor - The transparent gel that fills the space inside the eye behind the lens and in front of the retina.

DR WILLIAM BOOTHE - LASIK DALLAS
Phacoemulsification - (fay-koh-ee-mul-sih-fih-K AY-shun) A surgical procedure which breaks up a lens containing a cataract, to make it easier to remove. It uses an incision of about 3 mm, through which the tip of an instrument delivers ultrasonic vibration. The resulting tiny pieces of lens material are removed by suction through that same instrument. A foldable artificial lens can be inserted through that same incision and the incision heals by itself.
This step in the procedure can sometimes cause small blood vessels to burst, resulting in bleeding or subconjunctival hemorrhage into the white (sclera) of the eye, a harmless side effect that resolves within several weeks. Increased suction typically causes a transient dimming of vision in the treated eye. Once the eye is immobilized, the flap is created.
This process is achieved with a mechanical microkeratome using a metal blade, or a femtosecond laser microkeratome (procedure known as IntraLASIK) that creates a series of tiny closely arranged bubbles within the cornea. A hinge is left at one end of this flap. The flap is folded back, revealing the stroma, the middle section of the cornea.

DR. WILLIAM BOOTHE - DALLAS LASIK

The wavefront system shines its specific laser into the eye briefly, and that light is reflected back from the retina, through the pupil, and on to a wavefront sensor. This is done multiple times. What began as a straight laser beam is now a distorted one, after it has passed through the irregularities of that particular eye. The wavefront system records and measures those distortions and creates a 3-D map of the eye. From this map, a treatment is developed to correct the irregularities and improve vision.

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