Contact lenses for fundus examination and vitreous surgery with focal illumination.
D003261:Contact Lenses; D005654:Fundus Oculi; D006801:Humans; D008027:Light; D008866:Microsurgery / Q000295:instrumentation*; D009885:Ophthalmology / Q000295:instrumentation*; D019721:Ophthalmoscopes; D014822:Vitreous Body / Q000601:surgery*