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An anterior cruciate ligament injury occurs when the anterior cruciate ligament (ACL) is either stretched, partially torn, or completely torn. [1] The most common injury is a complete tear. [ 1 ] Symptoms include pain, an audible cracking sound during injury, instability of the knee, and joint swelling . [ 1 ]
Aging is one of the most common causes of dry eyes because tear production decreases with age. [4] Several classes of medications (both prescription and OTC) have been hypothesized as a major cause of dry eye, especially in the elderly. Particularly, anticholinergic medications that also cause dry mouth are believed to promote dry eye. [25]
ACL reconstruction can protect the meniscus from injury, doctors say. A weak knee can also lead to another ACL tear. In fact, 11 patients (14%) in the new study re-injured their ACL.
A subconjunctival hemorrhage can often occur without any obvious cause or harm to the eye. A strong enough sneeze or cough can cause a blood vessel in the eye to burst. Hyphema is a result of blunt or penetrating trauma to the orbit that increases intraocular pressure, causing tears in the vessels of the ciliary body and iris.
“There’s a 100% injury rate in the NFL,” seven-time Super Bowl champion Tom Brady once said. Sprains, strains and ACL tears. What to know about some of the NFL's most common injuries
Most ACL tears are a result of a non-contact mechanism such as a sudden change in a direction causing the knee to rotate inward. As the knee rotates inward, additional strain is placed on the ACL, since the femur and tibia, which are the two bones that articulate together forming the knee joint, move in opposite directions, causing the ACL to tear.
Treatment for ACL injuries typically involves a combination of rehabilitation and surgery, depending on the severity of the tear. Recovery can take anywhere from several months to over a year.
Mechanical dry eye patients complain of blurry vision and pain that tend to be worse when looking down such as while reading. Dryness in aqueous tear deficiency dry eye patients tends to be worse as the day progresses due to progressive exposure. Frequent blinking exacerbates mechanical dry eye symptoms, while increasing blinking improves ...