Medical implements needle disposable, a suture with a needle, a suture, and at large
Clinical hand magnifying glass
It is a magnifying glass for work 1.8 times the magnifying power of this which uses a non-focal lens.
It is mentioned as one of the advantages on the characteristic of a non-focal lens that you can use in you, without limiting the user.
You use it not only at the hospital but at a research institute etc.