Coordinates | 0°23′24″N9°27′0″N |
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{{infobox disease | name | Strabismus | Image Strabismus.jpg | Caption Strabismus prevents bringing the gaze of both eyes to the same point in space. | DiseasesDB 29577 | ICD10 – | ICD9 | ICDO | OMIM 185100 | MedlinePlus 001004 | eMedicineSubj | eMedicineTopic | MeshID D013285 }} |
Strabismus (; Modern Latin, from Greek στραβισμός ''strabismos''; cf. στραβίζειν ''strabizein'' "to squint", στραβός ''strabos'' "squinting, squint-eyed") is a condition in which the eyes are not properly aligned with each other. It typically involves a lack of coordination between the extraocular muscles, which prevents bringing the gaze of each eye to the same point in space and preventing proper binocular vision, which may adversely affect depth perception.
Strabismus can be either a disorder of the brain in coordinating the eyes or of one or more of the relevant muscles' power or direction of motion. Difficult strabismus problems are usually co-managed between orthoptists and ophthalmologists.
Strabismus is often mistakenly referred to as "lazy eye" or known as amblyopia; a result from constant unilateral strabismus. It also be referred to as "crossed eyes", “wandering eyes”, or having a “cast”. Other names include "squint", "crossed eye", "spaggy eye", "google eye", "boss eye", "cock eye", "wonk eye", "codeye", "wok eye", "gam gam", "gloucester-ledbury","Ryland Optic Disorder", "sockeye" and "wall eye".
"Cross-eyed" means that when a person with strabismus looks at an object, one eye fixes on the object and the other fixes with a convergence angle less than zero; the optic axes overconverge. "Wall-eyed" means that when a person with strabismus looks at an object, one eye fixes on the object and the other fixes with a convergence angle greater than zero; that is, the optic axes diverge from parallel.
More commonly however, squints are termed concominant (i.e. non paralytic). This means the squint is not caused by a lesion reducing innervation. The squint in this example is caused by a refractive error in one or both eyes. This refractive error causes poor vision in one eye and so stops the brain from being able to use both eyes together.
A simple screening test for strabismus is the Hirschberg test. A flashlight is shone in the patient's eye. When the patient is looking at the light, a reflection can be seen on the front surface of the pupil. If the eyes are properly aligned with one another, then the reflection will be in the same spot of each eye. Therefore, if the reflection is not in the same place in each eye, then the eyes aren't properly aligned.
Whereas amblyopia (lazy eye), if minor and detected early, can often be corrected with use of an eyepatch on the dominant eye and/or vision therapy, the use of eyepatches is unlikely to change the angle of strabismus. Advanced strabismus is usually treated with a combination of eyeglasses or prisms, vision therapy, and surgery, depending on the underlying reason for the misalignment. Surgery does not change the vision; it attempts to align the eyes by shortening, lengthening, or changing the position of one or more of the extraocular eye muscles and is frequently the only way to achieve cosmetic improvement. The procedure can typically be performed in about an hour, and requires about a week for recovery. Double vision can result, and occasionally vision loss can occur. Glasses affect the position by changing the person's reaction to focusing. Prisms change the way light, and therefore images, strike the eye, simulating a change in the eye position.
Early treatment of strabismus and/or amblyopia in infancy can reduce the chance of developing amblyopia and depth perception problems. Most children eventually recover from amblyopia by around age 10, if they have had the benefit of patches and corrective glasses.
Eyes that remain misaligned can still develop visual problems. Although not a cure for strabismus, prism lenses can also be used to provide some comfort for sufferers and to prevent double vision from occurring.
Botulinum Toxin (Botox) may also be used in the treatment of strabismus, to improve cosmetic appearance. Most commonly used in adults, the toxin is injected in the stronger muscle, causing temporary paralysis. The treatment may need to be repeated 3–4 months later once the paralysis wears off. Common side effects are double vision, droopy eyelid, over correction and no effect. The side effects will resolve fairly quickly.
In adults with previously normal alignment, the onset of strabismus usually results in double vision (diplopia).
Category:Disorders of ocular muscles, binocular movement, accommodation and refraction
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This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
Coordinates | 0°23′24″N9°27′0″N |
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Currentteam | Houston Texans |
Currentnumber | 11 |
Currentposition | Quarterback |
Birth date | May 11, 1983 |
Birth place | Santa Ana, California |
Heightft | 6 |
Heightin | 5 |
Weight | 232 |
Debutyear | 2006 |
Debutteam | Arizona Cardinals |
Highlights | |
College | Southern California |
Draftyear | 2006 |
Draftround | 1 |
Draftpick | 10 |
Pastteams | |
Statweek | 17 |
Statseason | 2010 |
Statlabel1 | Pass attempts |
Statvalue1 | 595 |
Statlabel2 | Pass completions |
Statvalue2 | 340 |
Statlabel3 | Percentage |
Statvalue3 | 57.1 |
Statlabel4 | TD-INT |
Statvalue4 | 14-20 |
Statlabel5 | Passing yards |
Statvalue5 | 3,893 |
Statlabel6 | QB Rating |
Statvalue6 | 70.8 |
Nfl | LEI453701 }} |
Leinart played collegially at the University of Southern California. In 2004, he led the Trojans to the BCS national championship and was named that year's winner of the Heisman Trophy as well as the winner of the inaugural Manning Award, which is awarded to the country's top quarterback. The championship was vacated by the BCS on June 6, 2011.
The left-handed passing Leinart was selected tenth overall in the 2006 NFL draft by the Arizona Cardinals. Despite possessing what draft experts believed was a good frame for a quarterback (6'-5”, 230 pounds), they believed his lack of a strong throwing arm, such as that possessed by his predecessor, Carson Palmer (now with the Cincinnati Bengals), would be a detriment in his professional career.
After Kurt Warner's retirement, Leinart was named the presumptive starter. However, he lost the starting job in training camp to veteran Derek Anderson, who signed with the Cardinals as a free agent before the 2010 season.
After some speculation, Leinart agreed to a one-year deal with the Houston Texans on September 6, 2010.
Leinart attended Mater Dei High School and was a student and a letterman in football. As a junior, he led his team to a California Interscholastic Federation Division I co-championship, and was named the Serra League's Offensive Most Valuable Player. Wearing number 7, he was chosen as the Gatorade California high school football player of the year.
As one of the nation's top college football recruits, Leinart committed to USC under coach Paul Hackett, noting that a major factor was offensive coordinator Hue Jackson. However, after Hackett and most of his staff were fired in 2000, Leinart considered other programs such as Georgia Tech and Arizona State and visited Oklahoma before USC eventually hired Pete Carroll.
As a sophomore in 2003 Leinart beat out Matt Cassel, a redshirt junior who backed up Palmer in 2002, and Purdue transfer Brandon Hance for the starting job at quarterback. Going into the season, Carroll and his coaching staff selected Leinart not because he had set himself significantly ahead of the pack in practice, but because they needed a starting quarterback. When the coaching staff told Leinart he would be the starter, he replied, "You're never going to regret this." There was some thought in the press that Leinart would merely hold the starting position until highly-touted true freshman John David Booty, who had bypassed his senior year in high school to attend USC, could learn the offense.
His first career pass was a touchdown against Auburn. Leinart would win the first three games of his career before the then-No. 3 Trojans suffered a 34–31 triple-overtime defeat at California on September 27 that dropped the Trojans to No. 10.
Leinart and the Trojans bounced back the next week against Arizona State. Leinart injured his knee in the second quarter and was not expected to play again that day, but he returned to the game and finished 12-of-23 for 289 yards in a 37–17 victory.
Leinart and the Trojans won their final eight games and finished the regular season 11–1 and ranked No. 1 in the AP and coaches' polls. However, USC was left out of the BCS championship game after finishing third in the BCS behind Oklahoma and LSU. The Trojans went to the Rose Bowl and played University of Michigan. Leinart was named the Rose Bowl MVP after he went 23-of-34 for 327 yards, throwing three touchdowns and catching a touchdown of his own. The Trojans finished No. 1 in the AP Poll, winning the AP national championship.
In 13 starts, Leinart was 255 for 402 for 3,556 yards and 38 TDs with 9 INTs. He finished sixth in the Heisman voting.
He finished the final regular season game against UCLA, but was held without a touchdown pass for the first time in 25 starts. Nonetheless, Leinart was invited to New York for the Heisman ceremony, along with teammate Reggie Bush, Oklahoma's freshman sensation Adrian Peterson, incumbent Jason White, and Utah's Alex Smith. In what many had considered one of the more competitive Heisman races, Leinart became the sixth USC player to claim the Heisman Trophy.
In 2004, USC went wire-to-wire at No. 1 in the polls and earned a bid to the BCS title game at the Orange Bowl against Oklahoma, which was also 12–0. A dream matchup on paper (including White vs. Leinart, which was to be the first time two Heisman winners would play against each other), the Orange Bowl turned out to be a rout, as Leinart threw for five touchdown passes on 18-for-35 passing and 332 yards to lead the Trojans to a 55–19 victory. Leinart received Orange Bowl MVP honors and the Trojans claimed their first BCS national championship and second straight No. 1 finish in the AP, extending their winning streak to 22 games. This victory and BCS championship was vacated as a result of the Reggie Bush scandal.
The 2005 Trojans again had a perfect 12–0 regular season. Against Notre Dame, Leinart threw for a career-high 400 yards. After an incomplete pass and a sack led to a fourth-and-nine situation with 1:36 left—at the Trojans' own 26-yard line, Leinart called an audible "slant and go" route at the line of scrimmage and threw deep against the Irish's man-to-man coverage, where Dwayne Jarrett caught the ball and raced to the Irish' 13-yard line, a 61-yard gain. Leinart moved the ball to the goal line as time dwindled and scored on a QB sneak that gave the Trojans a 34–31 lead with three seconds to go, giving the Trojans their 28th straight victory and one of the most memorable and dramatic finishes in the history of the Notre Dame – USC rivalry.
Leinart, who was having arguably a better season than in 2004, was again invited to New York for the Heisman ceremony along with teammate Reggie Bush and Texas quarterback Vince Young. As a former Heisman winner, Leinart cast his first-place vote for Bush, and ended up third in the voting behind Bush (since vacated) and runner-up Young.
The Trojans advanced to the Rose Bowl to face Vince Young and No. 2 Texas in the BCS title game. The title game was considered another "dream matchup." Leinart himself had a great game, going 29-of-40 for a touchdown and 365 yards, but was overshadowed by Young, who piled up 467 yards of total offense and rushed for three touchdowns, including a score with 19 seconds remaining and two-point conversion to put the Longhorns ahead, 41–38. The Trojans lost for the first time in 35 games, and Leinart for just the second time in his 39 career starts.
After graduation, Leinart's #11 jersey was retired at USC.
Leinart was selected tenth overall in the 2006 Draft by the Arizona Cardinals.
{{nfl predraft | height ft = 6 | height in = 5 | weight = 225 | dash = 4.90 | vertical = 36 | broad ft = 9 | broad in = 5 | note = All values from NFL Combine }}
During the fourth week of the NFL season, unofficial sources projected that Leinart would take over as the starting quarterback, due to a poor performance by Kurt Warner in the previous game. During the week, coach Green held a conference and specifically stated that Warner would still start that week's game.
In a November 26 game, he set an NFL rookie record with 405 passing yards in a loss to the 6-10 Minnesota Vikings. His quarterback rating was 74.0. He suffered a sprained left shoulder (throwing arm) in a week 16 win over the San Francisco 49ers. In 11 starts, Leinart threw for 2,547 yards and 11 touchdowns. He finished the season with a 4–7 record.
Leinart opened the 2007 season on Monday Night Football against the San Francisco 49ers as the starting quarterback. After a sequence of quarters in which the offense stalled, Whisenhunt began to insert Warner as a situational quarterback. On October 10, 2007, Leinart suffered a fractured left collarbone after being sacked by St. Louis Rams linebacker Will Witherspoon. Three days later, he was placed on injured reserve, ending his season. In his first 2 NFL seasons, Leinart had suffered two season-ending injuries within a period of 5 sacks. With Warner at the helm for the remainder of the season, the Cardinals mounted a late-season surge and won five of their final 8 games. In 11 starts in 2007, Warner completed 281 of 451 attempts (62.3%) for 3,417 yards, 27 touchdowns, 17 interceptions, and passer rating of 89.8.
In Leinart's second season with Arizona, he started 5 games and completed 53.6% of his passes (60/112) and threw for 647 yards, 5.8 yards per attempt, 2 touchdowns, and 4 interceptions. His passer rating was 61.9. He averaged 129 yards and 0.4 touchdowns per start.
In the 2008 offseason, after he recovered from the injury, Leinart was handed his starting job back, but his hold on the job was tenuous after another strong training camp performance by Warner. Finally, after Leinart threw 3 interceptions within a matter of minutes versus the Oakland Raiders in the third preseason game, Kurt Warner was named the opening-day starter. Leinart picked up only a limited number of snaps in mop-up duty behind Warner. For the 2008 season, he completed 15 of 29 passing attempts (51.7%), 1 touchdown, 1 interception, and a 80.2 passer rating.
In 2009, Leinart continued his role as back-up for Warner, who started all but one regular season game.
In 2010, he was named the presumptive starter after Warner's retirement; however, he lost the starting job in training camp to Derek Anderson. The Cardinals released Leinart on September 4, two days after the final preseason game, in favor of Anderson and rookies Max Hall and John Skelton.
Passing | Rushing | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Season | Team | GP | Comp | Att | Pct | Yds | TD | INT | Att | Yds | TD | ||
2003 | USC Trojans | 13 | 255 | 402 | 63.4 | 3,556 | 38 | 9 | 32 | -62 | 0 | ||
2004 | USC Trojans | 13 | 269 | 412 | 65.3 | 3,322 | 33 | 6 | 49 | -44 | 3 | ||
2005 | USC Trojans | 13 | 283 | 431 | 65.7 | 3,815 | 28 | 8 | 51 | 36 | 6 | ||
Totals | 39 | 807 | 1,245 | 64.8 | 10,693 | 99 | 23 | 132 | -70 | 9 | |||
Passing | Rushing | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Season | Team | GP | Rating | Att | Comp | Pct | Yds | TD | INT | Att | Yds | TD | ||
2006 | Arizona Cardinals | 12 | 74.0 | 377 | 214 | 56.8 | 2,547 | 11 | 12 | 22 | 49 | 2 | ||
2007 | Arizona Cardinals | 5 | 61.9 | 112 | 60 | 53.6 | 647 | 2 | 4 | 11 | 42 | 0 | ||
2008 | Arizona Cardinals | 4 | 80.2 | 29 | 15 | 51.7 | 264 | 1 | 1 | 4 | 5 | 0 | ||
2009 | Arizona Cardinals | 8 | 64.6 | 77 | 51 | 66.2 | 435 | 0 | 3 | 9 | -6 | 0 | ||
2010 | Houston Texans | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
Totals | 29 | 70.8 | 595 | 340 | 57.1 | 3,893 | 14 | 20 | 46 | 90 | 2 | |||
Category:1983 births Category:Living people Category:American Roman Catholics Category:People from Santa Ana, California Category:Players of American football from California Category:American football quarterbacks Category:USC Trojans football players Category:Arizona Cardinals players Category:Houston Texans players Category:Heisman Trophy winners Category:Sportspeople from Orange County, California
da:Matt Leinart de:Matt Leinart es:Matt Leinart fr:Matt Leinart lv:Mets Leinarts ja:マット・ライナート simple:Matt LeinartThis text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
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