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Corneal Topographical Map - A map of the cornea that shows its surface profile.

Corneal Topographer - A specialized camera-computer system which photographs and prints out a map of the surface details of a cornea. This is done before any LASIK procedure.

Corneal Transplant - Surgery to replace the cornea, the clear front area of the eye. Corneal tissue comes from a donor and since the cornea has a small blood supply, there is little risk of rejection, and the new cornea can function very well for years. A corneal transplant can be done to treat Keratoconus, Fuch’s Dystrophy, or damage from a severe infection or injury. It’s a painless outpatient procedure.

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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

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William Boothe Dallas: Dry eye Syndrome - Insufficient moisture in the eye, which gives a feeling of grittiness, burning, stinging, or uncomfortable dryness, and extra sensitivity to light. It can be a symptom or complication of another condition, or caused by certain medications. It is also a common temporary result of a LASIK procedure. It can be treated with moisturizing eyedrops, eyedrops which stimulate more tear production, or punctal plugs which block the drainage into the nasal passages and sinuses.
Dr William Boothe Surgeon
Dr William Boothe
Dr William Boothe Surgeon

Slit Lamp - A microscope with a strong light and a variety of magnification settings. It can be sized down to a slit for examining an eye and gives detailed views of the structures and fluids in the eye.

Snellen Chart - The standard eye chart with one large letter at the top and lines of progressively smaller letters. It is used to measure central vision.

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Dr William Boothe: Myopia the inability to see distant objects clearly.

Nearsightedness is the common term for myopia.

Ophthalmologist is a medical doctor specializing in the diagnosis and medical or surgical treatment of visual disorders and eye disease.

Dr Boothe
Astigmatic Keratotomy - An eye surgery like Radial Keratotomy, where tiny incisions are made in the edges of the cornea to give it a rounder shape.

Astigmatism - (uh-STIG-muh-tiz-um) An eye condition where the cornea is oval-shaped rather than round. This oval shape has two curves: the steeper one and the flatter one. Each curve refracts light at a different angle, sending it to focus on the retina in two different places, and creating distorted vision. It can be mild, with just blurriness, or more severe, with ghosting and severe blurring. In a glasses prescription, the second number expresses the degree of astigmatism you have, and the next number is the number of degrees in the angle of refraction. For example, a prescription of –4.00 – 2.00x34o states that you have 2 diopters of astigmatism at an angle of 34 degrees.

Dr William Boothe

argon laser - Laser light produced from argon gas.
The main wavelengths are 488.0 nm blue and 514.5 nm pea green light, but nine separate wavelengths in the blue-green visible light spectrum are produced.

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Fovea - The central area of the macula, which is the most sensitive area of the retina. The fovea is less than one percent of the retina, but uses over 50% of the visual cortex in the brain (that part of the brain which receives visual information). The fovea is highly sensitive to details of vision but not to dim light, which is why we can see dim objects, such as distant stars, better by not looking at them directly.



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