If your doctor prescribed a particular brand of contacts, it's best to stick with a retailer that offers that brand.

In earliest times, circuits could be broken only by separation of contacts in air followed by drawing the resulting electric arc out to such a length that it can no longer be maintained. This means of ...

No differences were found between the two silicone hydrogel contact lenses. (Fig. 1). The symptom of blurred vision was further analyzed to determine factors associated with moderate-severe level ...