Articles » Eye Care
-
What You Need To Know About Cataract Surgery
When you schedule a cataract operation, your surgeon may require that you have a medical workup first. Since these operations are now commonly performed in an outpatient setting, your general practitioner can order the necessary tests. The whole operation procedure, either cataract surgery alone or a combined cataract and filtering operation, can take ninety minutes to perform if the case is uncomplicated.
-
There are two basic problems that can be causing your eyes to become dry and lack the usual tears: either you're not making enough tears, or the tears you're making aren't as good as they used to be. Occasionally dry eyes may be caused by a third problem: the eye itself can't get the tears where they need to go.
-
What Is Glaucoma & Where Did It Originate From?
Glaucoma is now believed to be the end product of a number of distinct structural and systemic diseases characterized by high pressure inside the eye and optic nerve damage. This pressure can damage and even kill the sensitive nerve cells in the back of the eye, causing loss of sight. Glaucoma is not a new disease. The ancient Greeks gave us the term glaucoma, which they used to describe all eye diseases leading to blindness.
-
What Is A Low-Vision Specialist?
This is the doctor who can do more for the visually impaired than anyone else when it comes to coping with vision loss that is unresponsive to medication or surgery. A low-vision specialist may be an ophthalmologist or an optometrist, but his or her specialty is to equip and train the visually impaired to function as sighted, using the vision they have left.
-
What Are The Chances That Eye Surgery Will Give You Improved Vision?
As a patient, what are the important statistics for you to know, and how can you interpret outcomes? First of all, you likely want to know your chances of achieving at least 20/40 vision. This is a key number since 20/40 vision is required to drive legally without eyeglasses or contacts. Second, you probably also want to know your chances of achieving optimal 20/20 vision. Third, you may wish to know the likelihood of needing an enhancement procedure after the initial surgery.
-
What Are The Chances Of Regression After LASIK Surgery?
Most LASIK patients do not regress after surgery. After the initial few months, the curvature of the cornea should remain reasonably stable. Mapping the cornea with computerized topography shows that the majority of LASIK patients achieve a stable refraction within the first three months after surgery. People with high myopia, however, may require six months or longer.
-
Visual And Voice Aids For The Visually Impaired PC User
There are special software programs available to enlarge print and graphics on computer screens. Sometimes this software creates problems for computers in a network, though there should be no problem with stand-alone computers. These products enable the visually impaired to read a computer screen with ease. These products enlarge print on the screen up to two or three inches tall. Print size is adjustable. People with a very low visual acuity can usually use them.
-
Understanding Vision As “Memory”
A baby comes into the world as a blank slate. He opens his eyes, and the eyes do their job, but there is no "vision" because the memory bank is empty The infant has not yet learned to identify the millions of codes sent to the brain by the eyes. We all know that a baby doesn't focus his eyes for several months after birth. Why should he? His eyes are sending messages not yet understandable to the brain because it has no knowledge of these codes. The day will come, however, when the bottle that has been poked into the infant's mouth repeatedly for weeks will register in memory.
-
Understanding The Treatment For Farsightedness
If you are farsighted, or hyperopic, light comes to an imaginary focal point behind your retina. The farsighted eyeball is too short from front to back for the power of the cornea, causing a blurred image up close. (The length of your eye may be too short from front to back, or your cornea may be flatter than normal, or both.) Almost all newborn babies are farsighted; those who aren't often become markedly nearsighted as adults. Since many hyperopic patients can see distant objects well when they are young, they are called farsighted.
-
The Relationship Between Free Radicals & Eye Damage
The idea that nutrition is important for the eyes is supported by the growing evidence of the danger of free radicals. Cataracts may be partially caused by free radical activity in the lens of the eye. Glaucoma researchers have begun to examine the relationship between free radical activity and the destruction of nerve tissue in the eyes. There is some evidence that if oxidation is counteracted by antioxidants, visual field loss due to glaucoma may be decreased.
-
The Advantages Of Hard Contact Lenses
The notion of putting a corrective lens on the eye to achieve better vision is certainly nothing new. In fact, Leonardo da Vinci came up with this brilliant idea some 450 years ago. (Although no lenses were manufactured at that time, detailed drawings and descriptions were made.) A. E. Fick, a scientist in Zurich, manufactured the first contact lens in 1887 but soon found out that the human eye didn't like wearing lenses made of actual glass.
-
Providing A Safe Atmosphere For The Visually Impaired
Anyone who has raised a child knows what it means to childproof your home. A simple low-hanging tablecloth can spell disaster if tugged on by a toddler. Objects placed on a table can tumble on a child, causing harm. An alert parent safety-checks the home to avoid such accidents.
-
Powerful Chinese Methods May Help Relieve Symptoms Of Glaucoma
In China, grade-school children are taught to massage around their eyes, because it is believed that this simple exercise - based on the ancient tradition of acupuncture - will alleviate eyestrain and thwart myopia. Acupuncture, the practice of therapeutically inserting small, sharp needles into specific points of the body, has gained respectful attention in the Western medical community. This practice is best known for its effects on the nervous system.
-
Learn The 7 Levels Of The Visual Disability Scale
20/20: This is considered standard normal vision. 20/25 to 20/65: Subnormal vision, but not seriously impaired. Those below 20/45 have difficulty reading a newspaper, but most can hold it closer to their face and still read with good light. Many states will license people to drive with visual acuity as low as 20/60, but most such drivers will carry restricted licenses.
-
How To Treat Corneal Abrasions
The cornea is truly the eye's window. It's the transparent, domed "watch glass" that sits over the sclera (the "white" of the eye). Through this clear porthole the iris and pupil are easily visible; looking further still beyond them, we can see all the way to the back of the eye - the vitreous, retina, and optic nerve.
-
Many nearsighted or farsighted patients also have what is called “astigmatism”, which is a refractive error whereby light is not focused to a single point. Vision is indistinct at every distance because the cornea - which should be dome-shaped - is "out-of-round" or shaped rather like the back of a spoon. Such a cornea is more steeply curved in one direction than the other, having two "axes" that are usually perpendicular to each other. Depending on the person, 0.5 diopters or more of astigmatism starts to cause noticeably blurred vision.
-
How Amazing Technology Is Used To Literally Map Out Your Cornea
A remarkable innovative technique called "corneal topography" can generate a computer printout that shows the curvature and the "hills and valleys" of your cornea. By studying these brightly color-coded contour maps, your physician can diagnose corneal shape abnormalities and monitor changes in the front surface of your eye. A thorough understanding of the various elevations of your eye's bubble-like window can help your doctor decide whether you are a candidate for refractive surgery.
-
Getting To Know Your Eye Care Professionals
Getting your eyes and your glasses checked can be a fairly simple procedure or a very complicated one, depending on the problem and on who's doing the checking. Routine eye examinations can be performed by ophthalmologists and by optometrists, and parts of routine eye exams can be done by technicians who may or may not have a specific degree or certification. Let's take a moment to define and discuss the different types of eye care professionals.
-
Focusing On The Retina: A Lesson About How Our Eyes Work
The retina is a lining inside the eye covering the entire back half of the eyeball. With respect to vision, this is where the real action takes place. Millions of retinal cells, nature's microchips, constantly flash messages to your brain. These countless bits of information are carried on nerve fibers, somewhat like electrical impulses that travel on fiber-optic strands.
-
Exercise Your Way To Better Eyesight
Stimulating perception is one of the most effective methods of improving eyesight. Although your eyes respond to light and images and send these signals to your brain, it is your brain that ultimately decides what you see of the world around you. It is the information stored in your brain that is reactivated by what you see.
-
Do You Get Enough Antioxidants For Your Eyes?
There are many antioxidants that work in your favor for eye-health. For example, vitamin A is a powerful antioxidant that is known primarily for its effect on the retina, especially that of improving night vision. The body converts vitamin A, found in animal tissues, to the fat-soluble compound retinol for storage in the liver. Once vitamin A is stored in the liver, zinc is needed to liberate it for transport to the eyes as needed. Vitamin A is found in fish, fish liver oil, eggs, and liver.
-
Discover Step-By-Step What The LASIK Experience Is All About
On the day of your LASIK procedure, it is natural to experience both excitement and nervousness. Patients who feel most at ease on that day are those who have asked questions, read about the LASIK procedure, and perhaps talked with former patients. Understanding LASIK and trusting your surgeon are important to helping you feel confident, calm, and prepared on the day of your procedure. You won't be able to drive immediately after the procedure, so it is recommended that you have someone drive you to the surgery center and pick you up when you're ready to leave.
-
Complete List Of Vitamins That Aid In The Health & Proper Function Of Your Eyes
The following is a list of vitamins that are necessary for good health and that can affect the health and optimum functioning of your eyes.
-
Choosing Your Eye Doctor: 13 Questions You Must Ask When Searching
When picking the individual doctor you wish to have for your vision problem, how do you know whether you've got the right person? This can be a tough decision. There are as many different types of individual doctors as there are types of people. One of the best sources of good doctors is word of mouth. If you have a friend who wears glasses or contacts, and has been with a good doctor for several years, there's a good chance that this doctor will be good for you too.
-
Beyond LASIK - A Complete List Of Eye Corrective Procedures
Bioptics: Bioptics is a combination procedure involving a PIOL implant followed by LASIK. It is recommended for the most extreme levels of myopia and hyperopia when neither technique alone will entirely correct the refractive error. This combined technique can be used to correct over 30.00 diopters of myopia - twice the maximum amount that can be safely corrected with LASIK.
-
Beyond LASIK: The Complete List Of Eye Corrective Procedures
Astigmatic Keratotomy (AK): Astigmatic keratotomy (AK) is similar to RK, but its purpose is to correct only astigmatism. Usually, one or two incisions are made in the peripheral cornea to make it more round (as if loosening the laces on a football). This procedure is often combined with RK and has a similar long track record.
-
Beyond LASIK: A Complete List Of Eye Corrective Procedures
Photorefractive Keratectomy (PRK): Laser vision correction with PRK is very similar to LASIK. The biggest difference is that no microkeratome is used and no corneal flap is created. Instead, the excimer laser makes its correction directly on the surface of your cornea, removing the central epithelium and Bowman's layer (the second corneal layer) in the process. This results in several days of potential discomfort and blurred vision until the epithelium regenerates.
-
Am I Qualified To Have Eye Surgery?
That's one of the first questions most people ask about refractive surgery. What they really want to know is: Will I be happy with my eyesight after my operation? Unfortunately, there is no simple formula to determine answers to these questions. Although general guidelines help eye doctors decide who might benefit from refractive surgery, each candidate must be carefully reviewed on a case-by-case basis. That is why you go to your eye doctor for individualized care and advice.
-
2 Drugs Used To Treat Glaucoma: Epinephrine & Apraclonidine
Epinephrine: Epinephrine is an agonist drug used to control glaucoma. Some of the brand names it is sold under include Epifrin, Epinal, Epitrate, Eppy, and Glaucon. It is a nonselective medication because it acts on more than one area in the eye; it affects aqueous flow, trabecular outflow, and uveascleral outflow. Chemically, epinephrine is identical to the hormone adrenaline, which is secreted by the adrenal gland and is known to control glaucoma. Secretions of this fluid are extremely complex, and the mystery of its manufacture and diffusion still remain to be unraveled.
-
Which Type of Vision Benefits From Laser Eye Treatments
Are you tired of wearing contacts or glasses? Do you want to be able to see without all the fuss of keeping up with your glasses and/or contacts? Then maybe you could benefit from laser eye treatments.
-
Where Can I Get Laser Eye Treatment
If you are tired of wearing glasses or contacts, then laser eye treatments may be just what you need. Would you like to see with out your glasses or contacts? Would you like to not have to worry about losing your glasses or changing out your contacts? Are you near sighted? Far sighted? Have astigmatism? Then you may be able to get rid of your glasses or contacts forever.
-
Laser eye surgery sounds like something right out of a science fiction film and, in a way; it is as there have been a few sci-fi films in the past that explored this theme. Now, thanks to lasek surgery, laser eye procedures are very much a reality. Yes, rather than the clichéd development of lasers to replace sidearm weaponry, lasers are being used to correct bad vision. All this sounds like a complicated process, but in reality, it isn’t.
-
For some people, the issue of eyesight is a sore subject. Maybe you are tired of wearing glasses. Do you hate fussing with contact lenses? If your vision isn’t what it should be, and you are tired of the hassles of glasses and contacts, you may be a candidate for lasek surgery.
-
Laser eye treatment is known to be a relatively safe procedure with a 95 percent success rate. Also it is a technologically advanced and a recommended way of treatment for eye impairments. Laser eye treatments have gained so much popularity over the years that more and more people are finding the laser eye surgery as a welcome alternative over wearing glasses and contact lenses.
-
Laser eye treatment or refractive surgery is the most common form of eye surgery and treatment in present times. The success rate of people who have opted for the laser eye surgery is quite high with a significant improvement in the vision following the painless surgical procedure.
-
Is Laser Eye Treatment For Me?
In recent years we have seen a lot of new technology come along that promises to fix our problems forever – from laser hair removal to miracle baldness cures. Many of these promises turn out to be empty, and leave a lot of angry customers in their wake. Laser eye treatment, however, is one of the few recent developments that seems to work. housands of people have been treated for short sightedness, astigmatism and other vision problems with great success. However, before taking the plunge you should ask yourself the following question: is laser eye treatment for me?
-
Is Laser Eye Treatment A Permanent Solution?
With the laser eye treatment, vision deficiencies and eye problems can be a thing of past. When the light rays coming from an object are not focused properly from the lens of the eye to the retina, there is a problem with the vision. Though traditionally we have used contact lens and glasses, laser eye treatment is getting very popular as a permanent solution for virtually any eye problem. Laser eye correction is a relatively affordable procedure for any adult with eye impairment. The surgical procedure can take as little as 15 minutes per eye.
-
Benefits Of Laser Eye Treatment
Since the age of 13, I suffered from short sightedness. For three years I wore glasses, but the sheer discomfort that came from carrying a metal frame on my face every day meant that, as soon as my parents allowed me, I moved to contact lenses. For the next eight years I wore contacts – gas permeable lenses to start, and then daily disposables later on. Finally, I got laser eye treatment. In this article I’ll tell you briefly how laser eye treatment helped me.
-
10 Facts About Laser Eye Treatment / Lasik
People who are considering laser eye treatment should be aware of some important facts about lasik. First of all, laser eye treatment is not for everyone. It sounds like the answer for anyone who wears glasses or contacts, but you have to be absolutely certain that this procedure is what you want.
