Wait a second!
More handpicked essays just for you.
More handpicked essays just for you.
lasik eye surgery research
lasik eye surgery research
Don’t take our word for it - see why 10 million students trust us with their essay needs.
Recommended: lasik eye surgery research
Seeing well without contact lenses and glasses is the dream of millions of Americans and modern medical science has enabled that dream to come true (Caster, 8). Since first grade, Dede Head, a 30-year-old fitness trainer in North Carolina, has worn glasses to correct sever nearsightedness and astigmatism. Over the years she became accustomed to wearing glasses and contacts, but this has limited many important aspects of her life, including sports. She then heard of a laser eye surgery that “supposedly”, helped to correct a person’s vision by means of lasers. She immediately signed up for the procedure and ever since that day, she has not worn glasses or contacts. Dede is just one of the eight hundred-fifty-thousand people who have undergone a procedure by the name of LASIK or Laser In-Situ Keratomileusis. If surgical procedures were movies, LASIK would be this years box office smash as it has received much media coverage and many praises; however, not that many people know what LASIK is, what the advantages and disadvantages are, and most importantly if LASIK is right for them (Buratto, 1). LASIK is basically a type of laser surgery which can help correct nearsightedness (myopia), which is the inability to see distant objects, farsightnedness (hyperopia), which is the inability to see close, and astigmatism, the inability to focus light waves evenly. LASIK has grown greatly in the last year, mostly because of 4 reasons; it is fast (procedure takes about 5-10 minutes), safe, painless, and the results are almost always prolific. The eye is just like a camera because it works by focusing light waves that pass through it. Light rays that enter the eye must first pass through the most outer layer of the eye called the cornea. The cornea performs 2/3 of the focusing process, the remainder of is then completed by the crystalline lens which further focuses the light on the retina. This requires extreme precision in that the focused light must fall exactly at the level of the retina (Gallo, 126). The retina is a nerve tissue that carpets the inner surface of the eye, much like wallpaper covers all aspects of a wall. The retina converts the light into electrical signals, which are transmitted to the brain by the optic nerve. Just as a camera cannot produce clear photographs of the image if the incoming light is not focused on the film, we cannot produce a clear vision if the cornea and crystalline lens do not focus the light precisely on the retina.
Jackie Robinson changed the way baseball is looked at by Americans. Also, he broke a huge barrier in American History. Robinson helped get rid of segregation. He also, is down as one on of the most respected men in baseball history. Not only a wonderful ball player, but also a wonderful man who went through so much and helped create a path for current and future African American baseball players.
Optometrists have accepted vision therapy, which is a medical treatment for optical muscle disabilities, as a feasible treatment used for eye related problems; claiming the treatment can strengthen vision and give the patient the opportunity to understand visuals quicker and clearer (Press). Vision therapy originated in the 1950s and over the past 25 years, has gained popularity, mainly because of new technological innovations in the field of treatment. Generally, vision therapy is prescribed as a measure mainly for people between the ages of 3 and 18. With the results from a comprehensive series of eye tests, the optometrist can work with the patient using special instruments—prisms, filters, occluders, and eye lenses—and strengthen the eye muscles, thus improving sight. According to optometrists in favor of vision therapy, these methods of treatment using these instruments function as safer routes to repair eye disabilities. Although vision therapy can yield favorable results, the practice as a treatment for innate eye disabilities has been in hot debate lately; as it can exceed $8000 and insurance companies do not cover the treatment. For decades, insurance companies have refused to accept vision therapy as a legitimate method for repairing eyesight (Boink). Concomitant with lack of insurance, the cost for a full treatment can exceed $8000, and doctors cannot guarantee a successful outcome. Recently, parents of children with eye related disabilities, such as amblyopia (lazy eye) and strabismus (cross-eye), and doctors have attempted to cooperate with public schools to allow families access to school-funded doctors to practice vision therapy. With a tight budget, most schools cannot afford to supply vision therapy, and a...
My interest in the career of optometry stems from my first experience in the optometry office to receive my first pair of glasses when I was in middle school. I distinctly remember the moment when my optometrist slipped my new glasses over my eyes for the first time. Suddenly, everything in the room came into sharp, clear focus. I knew that the glasses would help me see the board in school, but I was astonished to find that I could see small details about the room, as it had never before occurred to me that I should have been able to see these details. I was also surprised that I was even able to see the expressions on the faces of people who were standing far away from me. It was one of the most incredible, freeing, and empowering moments of my life. As I walked out of the optometry office, I felt
Jackie Robinson was an amazing athlete. He played four sports and was named the region's Most Valuable Player in baseball in 1938, at a time when black people were not so readily accepted into the the sports world. With hard work and perseverance Jackie went to the University of California, in Los Angeles, where he became the university's first student to win varsity letters in four sports. Jackie was also a lieutenant in the U.S army, but he never saw combat. He then moved to Honolulu, Hawaii where he became a semi professional football player. After he was in the army he went to the Negro Leagues. During his time in the Negro Leagues, Branch Rickey, the general manager of the Brooklyn Dodgers, was looking to bring black prospects into Major League Baseball (MLB) to break the color barrier of
Laser therapy has been accepted widely by the general public and the medical professionals for its extensive benefits. This therapy precisely targets the affected area, minimizes the use of general anesthesia, encourages shorter hospital stay and improves the patient outcomes. These benefits have lead to its increased use and importance worldwide.
Life revolves around being able to see things. Although individuals who are blind can lead a full and happy life, someone with excellent vision who suddenly loses theirs or notices a decrease in their visual acuity over time may find it difficult to adapt. Thankfully, with the help of an optometrist, individuals can actively work to preserve their vision for as long as possible. Phoenix Eye Care must be a priority for all, as advanced technology allows threats to the eyes to be detected as the earliest stage. The right treatment can help to slow or stop the progression before major issues develop. For this reason, every individual needs to undergo routine eye exams.
According to Jessie Jackson, "A champion wins a World Series or an Olympic event and is hoisted on the shoulders of the fans. A hero carries the people on his shoulders" (Robinson 3). This is what made Jackie Robinson a hero to African-Americans. Robinson's achievement goes beyond the statistics and championships he earned on the field. He opened the door for his entire race to play professional sports and gain acceptance as more desegregation took place. After fighting in World War II from 1941 until 1944, Jackie played for the Kansas City Monarchs of the Negro Leagues from 1944 until 1946. In 1946, he was selected as the best person to break the color barrier in Major League Baseball.
My father made a successful recovery and I became inspired. I realized that having the gift of sight is something people take for granted. Therefore, when I embarked on my undergraduate journey, I partook in several activities to help foster my thirst for knowledge about optometry. For instance, I became the treasurer of the pre-optometry club at the University of Florida. As an executive board member, I opened doors for others to find their passion for optometry through managing our budget and finances to sponsor trips and activities. Meanwhile, I also worked as a secretary and shadowed at the Eye Associates of Orlando, where I gained practical knowledge. I also volunteered for the KidSight Vision Screening Program where I entered data of visio...
The four main components of the eye that are responsible for producing an image are the cornea, lens, ciliary muscles and retina. Incoming light rays first encounter the cornea. The bulging shape of the cornea causes it to refract light similar to a convex lens. Because of the great difference in optical density between the air and the corneal material and because of the shape of the cornea, most of the refraction to incoming light rays takes place here. Light rays then pass through the pupil, and then onto the lens. A small amount of additional refraction takes place here as the light rays are "fine tuned" so that they focus on the retina.
The laser procedure is much faster than the surgical operations. Moreover, regular visits are also not required to derive benefit of the treatment.
LASIK eye surgery, also called, laser-assisted in-situ kerkatolmileusis, is a procedure which corrects vision problems and eliminates the need for glasses or contact lenses. It’s a type of eye surgery that changes the shape of the cornea using a laser. With LASIK eye surgery, the main goal is to “bend light rays to focus more precisely on the patient’s retina” and to produce clearer and sharper vision.
Your eyes contain the receptors responsible for sight, which is the most dominant sense in humans. These receptors or “sensors” receive information about the surrounding environment and pass this information to your brain through the optic nerve. Your brain rapidly processes this information and creates the images you see, which allows you to see stationary objects, as well as follow moving objects whether your head is moving or is stationary.
Social change is the transformation of social institutions over time. It is the changes that occur in society and therefore social relationships. There are some characteristics of social change: Social change is social as it includes the way people interact with one another (social relationships). Social change happens all the time and is universal, which means that change happens in all societies, all the time. No society remains the same. Social change is also continuous, society is forever changing. Some changes are more important than others. Some less important changes are hairstyles and fashion but an important change
This reflected light passes through the lens and falls on to the retina of the eye. Here, the light induces nerve impulses that travel through the optic nerve to the brain, where it makes an image of the object, and then that image is passed on to muscles and glands.The eye is well protected. It lies within a bony socket of the skull. The eyelids guard it in front. They blink an average of once every six seconds. This washes the eye with the salty secretion from the tear, or lachrymal, glands.