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| Dr William Boothe - Perfect Eye Care |
| 09.24.08 (2:43 am) [edit] |
Ametropia - A generic name for eye conditions characterized by impaired refraction, e.g. myopia, hyperopia and astigmatism.
Amsler Grid - A test used to detect defects or distortions in the central visual field. It consists of a square subdivided into many hundreds of small squares by horizontal and vertical lines, with a small dot in the center.
Lacrimal gland - The small structure in each eye which produces tears. It’s above the outer corner of the eye, and lacrimal ducts run from the inner corner to the nose. See also punctum and nasolacrimal duct obstruction.
Laser - Although this is used as a word now, it was originally the acronym for Light Amplification by the Stimulated Emission of Radiation. There are many lasers, all man-made for specific purposes. Laser light has a single wavelength (i.e., color), rather than all colors like everyday white lights. Its waves are directional rather than scattered, and each wave is in step with the next one, which vastly increases the power of a laser light.
DR WILLIAM BOOTHE - EYE SURGERY: overcorrection - A complication of PRK where the expected amount of correction is more than desired. See glossary entry "regression". Overcorrection occurs in the occasional person where healing occurs less vigorously than predicted by the laser computer program, and the planned treatment "overcorrection" ; persists. Overcorrection can also occur in the uncommon event that the laser is improperly calibrated.
DR. WILLIAM A. BOOTHE - DALLAS LASIK
LASIK EYE - Dr William A. Boothe
DR. WILLIAM A. BOOTHE - DALLAS
Retina - (RET-ih-nuh) The inside back surface of the eye, which is light-sensitive, and receives the visual information traveling in on the light waves which enter the eye. It converts the images into nerve impulses which are carried by the optic nerve to the visual center of the brain.
Retinal Detachment - The retina has a layer of nerve tissue, and another layer which contains the blood supply. When these two layers separate, vision is lost at the separated area. It can be restored if the detachment is diagnosed early enough.
LASIK EYE - Dr William Boothe
DR WILLIAM BOOTHE - DALLAS LASIK: 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.
Anterior Chamber - The small space behind the cornea and in front of the iris, filled with the Aqueous Humor.
DR. WILLIAM BOOTHE - LASIK DALLAS
Dr. William Boothe and his family also participate in the community by donating, volunteering and sponsoring multiple organizations. In 2003, Dr. Boothe was a donor to Casa Manana and A Taste of Arlington, which benefited Theater Arlington.
Dr. Boothe has also given to the Heart of Gold Foundation, the YMCA of Arlington, the Colleyville Lions Club, the Colleyville Woman’s Club, the Lone Star Wolves Youth Hockey Association, the Plano Independent School District’s AppleCorps Volunteer Partnership Program, the American Red Cross and the American Heart Association. “Community involvement is a key tenet of my practice,” Dr. Boothe said. “I’ve been so blessed over the years that I deeply enjoy giving back.”
Laser surgery for the eyes involves scraping or lifting the cornea and using laser beams to re-shape the tissue beneath it. This has been proven t be effective for astigmatism, near sightedness and far sightedness.
Eyeliners are meant to define the eyes so they should do just that, not be the focal point of your makeup. Eyeliners come in various colors and forms liquid, pencil etc. Keep the eyeliner natural. Pencils are available in many colors (for the best look stick to black or brown) and can be sharpened for a fine line. For a smudged effect use a sponge tip shadow applicator or an eye shadow brush. When your pencils are too soft refrigerate them. When they are too hard soften them by holding them between your fingers.
To line the eye, start on the lower lid, just beneath the lashes. When you are finished always smudge the line with your sponge. Stay as close to the lash line as possible. On the upper lid, draw a line form the inner corner to the outer corner, thickening the line toward the outer corner. After the age of 40 keep the line in between the lashes.
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| Dr William Boothe - Dallas Lasik Surgeon |
| 09.11.08 (8:07 am) [edit] |
Convex Lens - Lenses with the opposite curvature to concave lenses. They bulge outwards like a ball and are used to correct hyperopia and presbyopia.
Cornea - (KOR-nee-uh) The front clear part of the eye in front of the pupil and iris. It acts as a lens, refracting light rays as they enter the eye. The eye’s crystalline lens refracts them further to focus them on the retina at the back of the eye. The cornea also allows light to pass out through it, making the iris visible, the eye’s color.
People with cataracts can also benefit from laser surgery for the eyes. Through a specific procedure called phacoemulsification, the cataract is broken into smaller pieces. Afterwards, the pieces are suctioned off via a small cut. Dr. Boothe, minor problems can be in the form of hazy film or blurred vision which can easily be corrected. After the cataract is removed, it does not return.
Laser surgery for eyes has a good number of benefits. Surgery can be done in the doctor's office with the patient leaving for home as soon as the procedure is complete. Some laser surgery for eyes can take as little as 20 minutes to complete. Dr. Boothe, they are virtually painless and some only describe minor stinging during the procedure.
DR. WILLIAM BOOTHE - DALLAS: 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.
LASIK EYE - DR WILLIAM A. BOOTHE
DR. WILLIAM A. BOOTHE - EYE SURGERY
Dr William A. Boothe
corneal topography - A process of mapping the surface details of the cornea with a unique camera/computer combination. Used to determine corneal slope and astigmatism for PRK refractive correction. Also used post-operatively to measure the results of PRK treatment. The computer data can manipulated to show the efficacy of ablation and the quality of smoothness of the final refracted surface.
DALLAS LASIK - Dr William A. Boothe
DALLAS LASIK - DR WILLIAM BOOTHE: If you are looking for a more permanent solution to these problems, you might want to have a look at laser surgery for eyes. Laser surgery can be the solution for the problems of your eyes. For those having vision problems, the procedures available are quick and recovery period is shorter.
A number of laser surgery for the eyes are available to address different forms of vision problems. PRK and LASIK are two of the most common laser surgery for eyes recommended to correct vision problems.
The most common cause of poor vision results from poor refraction of light due to distortions on the surface of the eye. Before each laser surgery for eyes, a doctor uses an aberrometer?s laser beams to produce a 3D image of the actual shape of the cornea on a monitor. This helps him find the exact area where re-shaping of tissues should be done.
DR WILLIAM A. BOOTHE - LASIK DALLAS
This principle also is applicable when a person is learning something new. Visualization makes the brain achieve more. In a study by researchers at Harvard University, it was found that students who visualized in advance were able to perform tasks with nearly 100 percent accuracy. Students who performed tasks without using visualization only achieved 55 percent accuracy. Dr William Boothe News
When a baby is born, it has instinctively in it everything needed to succeed in life. A child is like a fresh piece of canvas, ready to become a unique contribution to the world. A child has had less exposure to adult conditioning with regards to behaviour and expectations. Every child has the seeds of success for life within them. By observing children being children, adults can re-learn principles of success that have been buried by their adult world
Focusing power of the eye - The combined action of the cornea and the lens to refract light on to the retina. As light enters the eye, it’s refracted (bent) by the cornea, because of the cornea’s curvature. As the light continues further into the eye, passing through the pupil to reach the lens, it’s refracted more, to a variable degree according to how far away from the eye the object is which is reflecting this light. If it’s down the road a ways, like a distant traffic light, it needs to be refracted less in order to land in focus on the retina. If it’s close up, like the clock on the dashboard, it needs to be refracted more.
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| Dr William Boothe - The best Lasik Surgeon |
| 09.03.08 (10:41 am) [edit] |
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.
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 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.
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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| Dr William Boothe Expert Lasik Surgeon |
| 09.01.08 (11:00 am) [edit] |
Perioperative - Pertaining to the period of time between being admitted to hospital for surgery to being discharged afterwards. A perioperative nurse is one who cares for the patient throughout that time.
Peripheral Vision - Also called “side vision”. Vision to each side of where the eyes are focused. Direct vision uses the fovea, the center part of the macula, which gives the most detailed vision. Peripheral vision uses the areas of the retina surrounding the macula which give less detail but better night vision. Without peripheral vision, a person would have only tunnel vision, and would be legally blind.
Buttonhole Flap - A LASIK problem where the microkeratome cuts through the top surface of the cornea while creating the corneal flap, while lifting it, or while folding it back. It can be caused by loss of the suction which holds the microkeratome against the cornea, or inadequate suction, or by poor matching of microkeratome to patient. If possible, the flap is replaced, and no further surgery is attempted for several months, after it has healed. Sometimes it can cause scarring which impairs vision, but usually there are no permanent ill effects.
Cataract - An opaque or cloudy area that forms in the eye’s lens, impeding vision. They tend to occur with aging, but can also be caused by trauma. Cataracts are treated by the lens being removed and an artificial lens implanted. See intraocular lens.
DR. WILLIAM A. BOOTHE - DALLAS LASIK: ABO - American Board of Ophthalmology, a medical specialty board which offers education and examinations for ophthalmologists. Upon completing this 1 ˝ year program, the ophthalmologist is Board Certified.
Abrade - To roughen by rubbing or scraping, thus removing small pieces of surface tissue.
DR BOOTHE - EYE LASIK
DR WILLIAM BOOTHE - DALLAS LASIK
DR. WILLIAM A. BOOTHE - LASIK
Macular Degeneration - A deterioration of specialized cells in the macula of the retina which normally detect light and color to give us sharp central vision. With Macular Degeneration they deteriorate as we age, causing severe vision loss and even blindness after about age 65. There are two kinds:
* Wet (neovascular) – where new little blood vessels grow under the retina, leaking blood and fluid and causing further vision loss
* Dry (non-neovascular) – where new blood vessels do not grow, so that this is a less severe form of the disease; however, it sometimes progresses into the Wet form
Macular Degeneration is not fully understood, but it appears to be related to advancing age, smoking, heredity, high blood pressure, obesity, inactivity, and some drugs. Also called Age-Related Macular Degeneration (ARMD).
DR. WILLIAM BOOTHE
DR. WILLIAM BOOTHE - EYE SURGERY: Pachymetry - (puh-KIM-uh-tree) Testing of the cornea’s thickness, done to determine whether the cornea is strong enough for a LASIK procedure. It’s also done for some disorders where the cornea becomes thickened by excess water. The instrument used is a pachymeter.
Penetrating Keratoplasty (PK) - A corneal transplant. A full-thickness, circular piece of the cornea is removed and replaced by a similar piece from a donor. It can restore vision to an eye which had previously been blind.
DR. WILLIAM BOOTHE - LASIK DALLAS
Legal Blindness - A definition of blindness which enables a person to apply for government disability benefits. It can be either a visual acuity of 20/200 (or worse), with corrective lenses, in the better eye, or tunnel vision in the better eye of 20 degrees in diameter. This level of blindness is severe, but does not necessarily prevent a person from functioning at all.
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.
It's as if the refraction is "ground in" to the middle layers of the cornea! The results are often dramatic and very rapid, with most patients seeing well enough to drive a car without correction the very next day. However, the best post-operative visual acuity may not be obtained until 2 to 3 weeks, or in some cases, even a few months, after the procedure.
Get the latest about Dr William Boothe Dr. Boothe’s peers recognize his experience as he has taught other surgeons his technique in performing the LASIK procedure. Dr. William Boothe is Board Certified by the American Board of Ophthalmology. Dr. William Boothe’s love of medicine and passion for advancing technologies combined to make him a pioneer in ophthalmology.
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