1. Rubin ML. The optics of indirect ophthalmoscopy. Surv Ophthalmol 1964;9:449–464.
2. Wilson T, Sheppard CJR. Theory and Practice of Scanning Optical Microscopy. Academic Press, London, 1984. This reference is an important source in the field, but it is a theoretical treatment of considerable mathematical complexity. It ignores scan aberrations, which control most of the decisions when building scanning systems.
3. Mainster MA, Timberlake GT. Webb RH, Hughes GW. Scanning laser ophthalmoscopy: clinical applications. Ophthalmology 1982;89: 852–857.
4. Webb RH, Hughes GW, Pomerantzeff O. Flying spot TV ophthalmoscope. Appl Opt 1980;19:2991–2997.
5. Webb RH, Hughes GW. Scanning laser ophthalmoscope. IEEE Transact Biomed Eng 1981;28:488–492.