bookmark_borderHybrid Contact Lenses

Soft contact lenses have long been a favorite by those seeking instant comfort and ease of use. A soft lens is typically larger, with the edges extending out to the white of the eye, beyond the cornea. This makes for a very comfortable lens that can be worn for many hours. One of the main drawbacks with soft lenses is that they provide soft vision. In short, the lens material is soft and relies on tears to maintain it’s consistency, the vision is prone to intermittent blur and general fuzziness.

Hard or gas permeable contact lenses take the cake when it comes to best achievable vision. Because the material is more firm, the lenses maintain their sharp optical acuity. There has never been a question that best visual acuity via a contact lens is achieved with a gas permeable lens. So what has been the drawback with conventional gas perms? The answer is comfort. Gas perm lens wearers need to go through a short adaptation period in order for the lenses to become comfortable.

Recently, hybrid contact lenses have been making a huge splash in the lens world. Hybrid lenses are composed of a gas permeable center for improved optics and a soft lens skirt for maximum comfort. But how well do these lenses merge the benefits of the two technologies together?

For starters, the gas permeable center is manufactured with a very high oxygen permeable material. In short, your corneas will breath easy even after a long day of wear. The lenses have been approved for prescriptions with up to 5 diopters of astigmatism, so they will certainly correct a wide variety of prescriptions. And with gas perm optics, many people are sure to be very happy with what they see.

How about the soft lens skirt? The skirt comes in varying curves so your eye care provider can most likely find a great fit for you. Remember, the benefit of the soft portion is comfort. In certain cases, it may also aid in lens centration which will help to improve vision.

When caring for your hybrid lens, you want to treat it like a soft lens. Soft lens cleaner and solution is highly recommended. Of course, you will want to follow the exact directions as prescribed by your eye care provider.

In most cases, hybrid contact lenses are a home run. So if you are looking for the sharpest acuity matched with the best comfort, ask your eye care provider about hybrid contact lenses.

bookmark_borderLaser Vision Correction

  • LASIK: Laser assisted in situ Keratomileusis – LASIK is a refractive laser vision correction procedure. It involves the use of a laser to reshape the cornea. A flap is cut in the outer cornea and is lifted out of place while the laser is used to reshape the cornea. The flap is then set back into place after the reshaping is complete.
  • PRK: Photorefractive keratectomy- PRK was the earliest form of laser vision correction. PRK is different from LASIK because instead of cutting a flap in the outer cornea, the outer cornea is actually removed. This means more pain and a longer healing time, but less chance of problems during healing with the cornea not healing in place correctly.
  • LASEK: Laser-Assisted Sub-Epithelial Keratectomy – Like PRK LASEK is different from LASIK because it removes the outer cornea, not cuts a flap in it. However, with LASEK the outer cornea is dissolved with a chemical solution not cut off as is done during PRK.

The main objective in all types of laser vision correction is to reshape the cornea. It is the misshapen cornea that causes vision blurriness. As you can see the differences in each type of surgery is slight, but it can mean the difference between you being a good candidate and a bad candidate for that type of laser vision correction.

Laser vision correction can only correct certain vision problems – those problems that occur due to a misshapen cornea. Those conditions are myopia, hyperopia and astigmatism.

Your doctor may recommend LASIK or one of the other types of laser vision correction procedures. Sometimes, depending on your cornea and your certain medical history, one procedure may be more suitable for you then another.

Besides learning about the options in laser vision correction, you should also learn about the risks and the complications that can occur so you can make the best choice. Each type of laser vision correction is a bit different. That means the procedure, the risks and the whole process is different. It is your responsibility as the patient to make sure you understand your procedure.

bookmark_borderSoft Contact Lenses

Soft contact lenses are made of hydrophilic plastic. As soon as they are applied, they absorb the water in the eyes and become soft and pliable. This allows them to fit perfectly in the eye. They are very popular as vision correction lenses and comfortably contour to most eyeballs without any complications.

As mentioned, lenses for people with astigmatism either due to near or far sightedness, bifocals problems, color contacts, and practically every other kind of vision correcting lenses can be found in soft contact lenses varieties. A specialized variety of soft contact lenses are also used these days to reshape the cornea during nights. This helps in giving clear vision even without the contacts during the day, but is not a permanent solution to the problem and the specialized lenses need to be worn every night for good vision the next day. Cornea reshaping helps to encounter myopia during the day.

Since most eyes can adjust to the soft contact lenses, they are definitely more popular than other types of contacts. Also, since they mold well to the eyeball, chances of dust particles getting caught and causing irritation is considerably lesser. Patients who use them find it easier to handle them while inserting and removing as they stick to the finger due to their softness.

Soft contact lenses require much care. The best option would be to use the disposable kind if the patient can afford them since they are the expensive kind in contact lenses. They must be cleaned in a sterilizing solution if they are not the disposable kind. After the soft lenses are cleaned, they must be stored in storing solution and must not be allowed to dry. In the event the lenses are not clean, they are liable to cause eye infections, irritation, and itchiness. It is suggested to choose disposable contact lenses. If the daily disposable ones are too expensive, the next option would be to change the lens at least once a week or once a month at the latest.

bookmark_borderSunglass Side Shields

The most common UV damage that eye doctors see are melanomas on the eye lids, acute eye pain, cataracts, and degenerative changes to the eye. In fact, studies have found that people who don’t wear sunglasses, exposing their eyes to UV light for hours every day, are three times at risk of developing cataracts. Fortunately, wearing a hat with a brim or sunglasses when going out on sunny days can do a lot to help protect the eyes from UV radiation.

For those who want to protect their eyes even further, there are sunglasses that come with side shields, which block UV light. You’ve undoubtedly seen these shields on the heavy dark glasses worn by older people who already have cataracts and people who have just come from an eye appointment. But sunglass side shields available for anyone who wants to wear them, either as part of some sunglasses design or as add-ons that can be attached to your existing sunglasses.

For people who wear sunglasses while playing sports or engaging in other outdoor activities, side shields offer an additional level of protection from sand, debris and other material that could get into the eye, and many shields have vents so that the lenses of the sunglasses don;’t fog up.

When buying a pair of sunglass side shields, you get what you pay for. Or, rather, you get what you don’t pay for – inexpensive sunglasses are usually not made with optical-quality glass like prescription glasses, and can cause sight problems down the road from peering through cheap glass or plastic lenses. And you should look at what the lenses are made from – for complete UV protection, the lenses should be crafted from polycarbonate or from plastic with a dye that absorbs UV radiation.

Polycarbonate plastic absorbs all UV radiation, while prescription-quality glass or plastic lenses absorb approximately 85 percent of UV radiation. But even with lenses that absorb 100 percent of UV radiation, light still can get to the eye from the tops or sides of the sunglasses, which is why side shields are an excellent idea for anyone, no matter what your age or how often you go out in the sun.

bookmark_borderDiagnosing Dyslexia

Even though a lot of online companies and official companies of various health organizations offer an online alternative for an assessment wherein anyone can conduct the test on his own, it is still a lot better to seek professional help. Administrators of local public schools are equipped with tests that aid in determining if a person is dyslexic or not. These persons are also well trained to handle this kind of tests appropriately. Looking deeper into the family history of the person involved is also an effective way of diagnosing dyslexia. The said learning disability can be inherited from the parents but it doesn’t necessarily mean that the child will most likely acquire the same type or sort of dyslexia and its severity.

Since dyslexia has a long line of signs and symptoms, it would be a better idea to familiarize yourself with these signs. By doing so, you can easily distinguish the person if he really has dyslexia or just a simple learning disorder. Dyslexia by the way is a specific type of learning impairment but when a person is diagnosed with learning impairment, it doesn’t necessarily mean that he has dyslexia. Common symptoms that you may find useful in diagnosing dyslexia include the person’s difficulty in learning the concepts of multiplication and simple alphabets and a sentence made up of words without a single capitalization and punctuation marks.

If a certain person and even yourself come out to be positive from diagnosing dyslexia, professional help should be acquired. These professionals can either be a psychologist, psychiatrist or an education counselor who are well trained in administering a special type of learning meant for dyslexic individuals. Through the help of these people, a lot of people with dyslexia are now able to cope with the fast developing world.

Student Needs: We are a group of students with disabilities and special needs that have created a website and a project to help other students with disabilities and special needs. You can help us and visit us at [http://www.studentneeds.info] and inform yourself about students with learning disabilities in college and other problems that face students needs in college and university.

bookmark_borderDifferent Types of Dyslexia

First off, let’s see if we can clear up some of the confusion and get a clearer perspective on what the word “dyslexia” really means.

It is important to understand that there are two different schools of thought, two different ways in which the word “dyslexia”itself is used. The two different meanings of dyslexia are:

  • In the pure academic sense the word “dyslexia” has a literal meaning based on the etymology of the word itself. From its parts, ‘Dys’ means wrong or problematic (for example, as in ‘dysfunctional’) and ‘lexia’, means pertaining to words and letters. So literally, ‘dys’-‘lexia’ refers to problems with words.

In this sense, anyone who has a problem with reading, for whatever reason, has dyslexia.

  • There is a wider use and application, used by parents of dyslexics and by dyslexic adults. In the applications sense, dyslexia refers to a range of symptoms that includes problems with reading, writing and spelling plus other problems such as hearing difficulty, poor memory and a lack of physical coordination.

And so, as you can see, the exact meaning of “dyslexia” depends on who is speaking and the context in which the term is being used.

Secondly, let’s look at the different types of dyslexia..

The first attempt to subdivide and describe the different types of dyslexia was made by Marshall and Newcombe in 1973. They set forth the ideas of ‘surface’, ‘phonological’ and ‘double-deficit’ dyslexia.

The symptoms of Surface Dyslexia relate to the mistakes made where the rules of English pronunciation are inconsistent. For example, “bowl” is read as though it rhymed with “howl”, and “pretty” might be read as though it rhymed with “jetty”.

Phonological Dyslexia is a failure to grasp the phonic nature of the English language. Individuals with it have great problems reading new or nonsense words because they do not and cannot grasp the links between the individual sounds or phonemes and letters on the page.

Double-Deficit Dyslexia is the term applied to the condition of individuals who have both Surface Dyslexia and Phonological Dyslexia.

Auditory Dyslexia and Visual Dyslexia both stem from the magnocellular theory of dyslexia. This theory holds that dyslexics have neurological weaknesses in the magnocellular cells of the thalamus area of the brain. This area is where rapid processing of visual and auditory information takes place.

Many studies have shown that dyslexics do have weaknesses in their visual and auditory processing, but not to the same degree. This means that there is a very close relationship and sometime confusion between these two types of dsylexia.

A result can be that a child with poor hearing skills but with average visual skills may be diagnosed as having Auditory Dyslexia, whereas one with poor visual skills but average hearing may be diagnosed as having Visual Dyslexia.

Then finally there is Orthographic Dyslexia. Orthography is the set of symbols or letters that make up a language. In English this is the 26 letters of the alphabet whilst in Japanese or Chinese it covers thousands of different symbols. And so Orthographic Dyslexia relates to problems in identifying and manipulating letters in reading, writing and spelling.

bookmark_borderDiagnose Asthma Symptoms

Your doctor will run several tests to find out whether you do have asthma. He will likely ask you if any of your family members have ever been diagnosed with Asthma. Some people think it is hereditary in most people. Have you ever been tested to see if you have Asthma? Your doctor may decide to test you with what is called a peak flow meter. It is an easy to use devise that can tell how well your lungs pull air in and out. Your peak flow meter can also be an early warning device to warn you of an oncoming attack. This will give you the time to make the preparations and give your body a fighting chance.

Causes for Asthma will still vary from person to person. Maybe it comes from what is in our food, maybe it comes from what is in our water. Let’s think about what is in the air we breathe. Because the pollution will continue to become worse and worse, the cases of Asthma are going up. Years ago before our earth was polluted, there were much fewer cases of asthma and other diseases. As we have damaged our earth over the years, our health is slowly deteriorating to the point to where our bodies are having trouble fighting back. The toxins are over whelming for our bodies. Our bodies have the ability to get these toxic problems out. The problem is, it is being overrun with them now. What your body cannot get rid of on its own, it absorbs and that is a pretty scary thought.

Something you can do in your own home to prevent Asthma attacks after you have been diagnosed with it, is making sure your house is Dust mite free. Make your home smoke free. Second hand smoke is one of the leading causes of attacks for people with Asthma. Pets also play a role. If you notice you or someone in your family that has been diagnosed with Asthma starts to have more attacks around pets. You may need to have that pet become an outdoor pet or live in only one part of the house. Mold is also a big trigger for someone with Asthma. They can grow in so many places, some beyond the sight of most people. Mold can grow in walls and in attics. If you suspect that mold may be in your house, have an inspector come to check and see if you do in fact have a mold issues.

Be aware of your environment. The news will often warn people of outdoor pollution, whether you can burn fires. You can then decide whether or not you even want to step outside and take a breath. Be aware of what foods you take into your body and make sure that all fruits and vegetables are washed thoroughly. Much of what we take into our bodies can have an adverse affect on our immune system. It can mean the difference between having an asthma attack, or avoiding an asthma attack all together. Together we can change this world, but unfortunately, what we have done already will have consequences for many years to come.

bookmark_borderBlurry Vision in One Eye

There are several causes of blurry vision. One of them is a need for eyeglasses. If a patient suffers from myopia or hyperopia, glasses may be needed. In nearsightedness and astigmatism, objects from a distance may appear blurry but nearby objects may be clear. The blurring that happens may be more acute at night or patients may experience seeing ghostly images or double vision. Usually, those in the mid-40s develop a need for reading glasses. Another cause of blurry vision could be cataract. Most people think cataracts only occur in older people, but it can also occur in younger people. Cataracts commonly occur in people who are over 50 years of age. Symptoms that accompany blurry vision include problems with seeing at night, glare problems and color problems. While this is a cause for concern, cataracts do not cause pain or the feeling that something is stuck in the eye. Other causes may be macular edema, macular degeneration, optic neuritis and diabetes.

Blurry vision in one eye can also be traced to flu. When you’re sick, your immune system is down so you are most susceptible to infections. If you happen to be coughing as well, you might have also burst a blood vessel at the back of your eye.

You should call your doctor if you experience the following symptoms: if you see flashes in your vision, if you get the sensation that a curtain is being lowered into the part of your vision and if you have become unusually sensitive to light. Go see your doctor too if you have a foreign object lodged in your eye, if your contact lenses become uncomfortable if your blurry vision occurs right after an accident. This blurry vision may signal that you have internal bleeding or you might have fractured the bone surrounding your eye. Your doctor might recommend that you undergo laser eye surgeries or procedures that can relieve you of the discomforts you are experiencing.

bookmark_borderAbout Diagnosing Anxiety Symptoms

Other not so obvious anxiety symptoms include, sharp chest pains and difficulty swallowing like the throat is swollen. Many people don’t seek help or treatment for these problems. This might be because the symptom seems insignificant especially if they are intermittent and common such as headaches and muscle tension.

Usually when we have a stomach ache or a headache we simply go down to the store and by some over the counter medication. Some people perhaps realize that they have a problem but are too afraid or embarrassed to seek help. For people with agoraphobia and social anxiety this might be especially difficult.

Others ignore their anxiety symptoms until it becomes a really big problem. Because anxiety disorders are so prevalent most people don’t take notice. Most of us see stress as part of life even though it is one of the biggest causes of health problems. Excessive anxiety and stress can lead to depressive, anxiety and sleep disorders.

Identifying anxiety symptoms is the first stage in recovery. Seek a specialist or qualified doctor who will be able to diagnose and treat you. It’s important to tell them all of your symptoms so that they can make an accurate diagnosis. Your doctor should be asking various questions to pin down whether you have an anxiety disorder and what kind of disorder it is.

There are actually many different types of anxiety disorders, each with varying symptoms and methods of treatment. Common anxiety disorders such as social anxiety and Generalized Anxiety Disorder affect millions of people world wide. What’s more they can look quite different from sufferer to sufferer.

Physical health conditions can exacerbate anxiety symptoms and be the trigger of anxiety disorders. They can also run in families so your doctor should ask about your family’s history of health problems. Traumatic and emotional events are also potential triggers for anxiety disorders such as PTSD. Your doctor might also ask about lifestyle habits such as diet and exercise habits.

Stimulants such as cigarettes and alcohol are also likely to play a role in increasing anxiety symptoms. Your physical examination should be followed by a psychiatric evaluation to help determine your condition. If you think that you have a problem it’s important to seek help. Treatment is the best way to overcome anxiety symptoms.

bookmark_borderAbout Roles of a Cardiologist

A cardiologist is able to handle different conditions and they include hypertension, coronary heart disease, heart murmurs and even heart attacks. The cardiologist needs to practice preventive medicine, treat heart diseases and also give a diagnosis of the same when there is a need to. The cardiologist may also be required to perform surgical procedures, even though they are limited to the minor ones.

Preventive medicine

Heart problems are usually chronic and they may be around for a very long time. This is why the cardiologist works so hard at the preventive medicine so as to neutralize and eventually reverse progression of disease. The cardiologist has to conduct a physical examination as well as an interview of the patient so as to establish their condition and also predict if there may be issues with the heart. There is also a need to prescribe some form of medication for patients and also give advice on lifestyle so as to ensure the heart health of the patient is sustained and improved.

Diagnostic testing

The main tool that a cardiologist uses is the echocardiogram abbreviated as ECG. This allows the cardiologist to know whether the heart health of the patient is fine or not. It is the role of the cardiologist to interpret the results as seen. He should also interpret other results conducted on the urine and blood of the patient. The stress test is also conducted and then reviewed. Cardiac catheterization tests are also conducted to establish how the heart is functioning.

Electrophysiology

This is a cardiology specialty and it focuses mainly on treating any disorders related to the rhythm of your heart. The cardiologists implant a pacemaker into a patient by doing a surgical procedure that is quite brief. Electrophysiology includes electronic defibrillation, which essentially gives a shock to the heart so as to help it restart it to have a regular heart rhythm.