Find an Orthopedic Specialist Near You. However, behind knee pain may be a symptom of deep vein thrombosis (blood clot in the leg), which is a serious and life-threatening condition. The blood clot can break loose and cause a pulmonary embolism in the lung, a heart attack, or even stroke.
To help families during tough economic times, Walmart has also lowered prices on quality eyewear for children 18 years old and younger. Year-round, parents and caregivers will find youth frames and lenses for as low as $39. Walmart will also provide a one year guaranteed free replacement if the glasses are damaged.***.
1 For example, 1-Day Acuvue lenses cost $89 for a 90-day supply via an online retailer.  Extended-wear contact lenses are also disposable, but can be worn for up to three months before needing to be replaced. For a year's supply of lenses, the cost can range from $170 to more than $300.