Vintage Opthomology Eye Exame Medical Devices Kit

This set is as pictured and titled, I am not sure if it is what I think it is but is surely is some sort of medical devise. Please note I am not an expert on anything I sell, I know a bit but assume you know more than me. I tell it like I see it honestly, you may see it differently so please question me. I have thick skin so if you have advice or information it is always welcome. Thank you for your time and interest, questions and requests for more pictures are always welcome. I will always combine shipping on items to save cost for my buyers.