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.***.
Costco Optical. 1  Frames cost: $50-60 for childrenâs frames. 2  Lenses cost: $50 for polycarbonate with no-glare (all included) 3  Total glasses cost: $100-110. 4  Return policy: 90 days. 5  Breakage guarantee: None (anything after 90 days is your responsibility)