Nursall J F
Ophthalmology. 1979 Nov;86(11):2048-50. doi: 10.1016/s0161-6420(79)35309-x.
Slit-lamp biomicroscopy of the supine patient can be achieved with the use of the Zeiss 100/16 slit lamp and an adapter to hang it from the microscope stand. Coaxial, collimated illumination can be used for fundus biomicroscopy with the method described.