If you want a complete and detailed document with all the medical requirements for european class 3 medical certification of air traffic controllers, check out this link I found...there's everything you need to know (Cardiovascular System, Respiratory System, Digestive System,Metabolic-nutritional and endocrine diseases, Haematology, Urinary System, Sexually transmitted diseases and other infections, Gynaecology and obstetrics, Musculoskeletal System, Psychiatry and Psychology, Neurology, Ophthalmology, Visual System, Colour perception, Otorhinolaryngological System, Hearing, Dermatology)... and that's about it!
http://www.eurocontrol.int/src/galle.../med_req_g.pdf