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Wednesday, 21 May 2014

Various Facts About Glaucoma San Antonio

By Eloise Hewitt


The condition known as glaucoma is not just a single eye disease but a combination of conditions that lead to damage of the optic nerve. The damage of this nerve leads to loss of vision. Whenever there is an increase in intraocular pressure, the eyes are likely to get damaged. When considering glaucoma San Antonio residents ought to remember that it is among the leading causes of blindness. With this condition, vision is damaged so slowly that one may fail to realize. Most people realize only during the advanced stages.

Of the various types of this condition, the most common is primary-angle glaucoma. This has no noticeable symptoms other than the fact that it becomes more defined during the advanced stages. With early diagnosis and timely treatment, any damage to the optic nerve may be prevented. During the periodic examination of the eyes, there should be measurement of intraocular pressure.

The most common types of this condition, primary open-angle and angle-closure, have very varying symptoms. The former has two main types; tunnel vision during advanced stages and gradual loss of peripheral vision in both eyes. The latter has symptoms such as eye pain, blurred vision, vomiting, nausea and sudden onset of visual disturbance. The conditions are referred to as primary when the cause is unknown and secondary when its cause can be traced to known causes.

Patients are advised not to wait until the symptoms are in the advanced stages. The best way to detect this condition early is to go for regular check-ups. Some of the indicators to look out for are strong headaches, nausea, eye pain and halos around the eyes. Any such symptoms should be shared with the doctor.

There is the fluid known as aqueous humor that flows in and out of eyes. When the fluid builds up inside the eye, there is increased pressure. This fluid gets out of the eye via a drainage system that is at the angle where the iris and cornea meet. If in any case the drainage system does not work well, then the fluid does not filter normally from the eyes. There is thus pressure build-up in the eyes.

There are certain risk factors that one should be wary of. Age is one such crucial factor. People over 40 years are at risk of suffering from angle-closure glaucoma. For certain groups such as African-Americans, the risk development of the eye condition is much higher and takes place in younger people. For Mexican-Americans, those older than 60 are at a higher risk.

People that come from families that have history of glaucoma are more at risk. Further, there is a genetic link to it, which means some individuals are more susceptible than others. Diabetes, heart disease and high blood pressure are among the medical conditions which increase risk of infection.

The treatment is mainly used to reduce pressure of the eyes. The pressure of the eyes is lowered, the drainage system improved or the quantity of fluid reduced. The condition itself cannot be cured. It is the damages that are minimized and vision loss prevented.




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Baseball Hitting Aids For Any Back Yard

By Agnes Dickson


Any young batter will seek the right equipment as he or she tries to make the most of natural talent. It doesn't hurt if the youngster is gifted with cat-like reflexes and sharp eyesight, but there is no substitute for a balanced, economical swing. Only repetitions hone this sort of swing, and without baseball hitting aids it is quite difficult getting those kind of repetitions when batting is interrupted by collecting balls from over the field.

A good place to begin might be with perhaps the simplest aid of all, the everyday batting tee. It does just what a golf tee would do but holds the ball higher, usually between thirty and forty-five inches high. This is a good range for younger hitters just perfecting their stroke.

To keep from having to spend all day running after balls struck off the tee, one could add a screen so the ball can be netted and pocketed . A few nets come with targets stitched in their netting to allow the youngster to know when the ball is a sure hit. Tees and screens are both just as good for softball as they are for baseball, and ought to be designed to stay upright and stationary during moderately windy days.

A swing tee lets one avoid the whole problem of netting the struck ball after it has been struck. With a swing arm tee the ball is firmly fixed to the arm that itself is designed to swing around while rooted to an axis. The ball just springs right back after being whipped around in a tight circle once the young hitter crushes it.

Any sort of batting tee is good enough for honing one's form through repetition, but none can simulate the action of being pitched to by a real pitcher. Unfortunately, needing to have a pitcher to practice with almost always means having to cut down on the repetitions one needs, not just with form, but to practice seeing the ball into the strike zone and timing that first move to ball. Here, a pitching machine is a crucial piece of equipment.

Many people naturally think of a pitching machine as a rather expensive proposition, the sort of device only baseball teams and batting ranges can afford. It might come as a surprise to find that there are plenty of home pitching machines out there, especially for the younger players who need them most. Some of them cost little more than a bat or a glove, and in fact are some of the least expensive aids one can find.

One might look to buying protection nets for the back yard, looking like rooms or hallways woven out of fishing nets, for practicing with a pitching machine or with a practice pitcher. Those who don't mind something more pricey can look to the packages of equipment, quite often sponsored by a big name star. With packages one does see more of a difference between baseball and its cousin, softball.

There is a lot more equipment once reserved for the practice field that is now available for home use. All of it is conveniently scaled down for smaller athletes, but sturdy to withstand those shots that are sure to come as their skills sharpen. This equipment is quite possibly sharpening the skills of future batting champions every day.




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