Designer eyeglass frames can be purchased from stores specializing in these frames, such as Frames Direct or Eye Buy Direct. They can also be found on online mega-retailers such as eBay or Amazon.
You can find eyeglass cases at any Optician or Optometrists' office.
the mall!!
No
One can buy wraparound cycling sunglasses at many locations. Local bike shops will have them in stock as well as specialty eyeglass shops in some cases. Many online options are also available with used and new options abundant on sites like eBay.
A monocle is the name for an eyeglass designed for one eye.
I got mine at Walmart.
spectacle
An eyeglass holder may be purchased at specialty retailers such as Lens Crafters or at more general retailers such as Sears, Walmart, and Target. Eyeglass holders may also be purchased at any of the aforementioned retailers' websites as well as online marketplaces such as Amazon.
Optometrists and Ophthalmologists write eyeglass prescriptions. You receive the prescription from one of those specialists, and then take it to an Optician, who will assemble the glasses. An Optician cannot write eyeglass prescriptions.
Look in Walmart's Notions dept. They have eyeglass repair kits that have these.
You can buy leather cases for an iPad online from the Sensa Cases or Zazzle. You can also purchase this item from retailers such as Overstock and Amazon.
At DabbleDoos.com they are referred to as "peepers keepers", eyeglass necklaces or eyeglass leashes.