This is a tool for a night lying in bed reading a book (Deluxe Prism Glasses.), With a glasses when reading in bed no longer can not find a comfortable position to worry a comfortable sleep will be able to complete the reading, will not let us take the book of hand fatigue.
The glasses design principle is similar to a submarine in the looking glasses, the eye lens can be rotated 90 degrees, lying will be able to read books, look through the refraction of light is not very good. $ 69.95. via
Lie down to read the practical use of glasses
22 Feb