Techniques for fundus photography

Smartphone Fundus Photography

Smartphone fundus photography is a simple technique to obtain ocular fundus pictures using a smartphone camera and a conventional handheld indirect ophthalmoscopy lens. This technique is indispensable when picture documentation of optic nerve, retina, and retinal vessels is necessary but a fundus camera is not available. The main advantage of this technique is the widespread availability of sma...

An objective focusing method for fundus photography.

A method is described which enables the fundus camera to be focused objectively. This method eliminates the focus errors arising from the subjective focusing method currently used and permits the consistent attainment of high resolution fundus photographs. The objective focusing method has been evaluated on test targets and anesthetized animals and is applicable for use on unanesthetized human...

Fundus photography and fluorescein angiography.

Fundus and Optic Disc Photography

l'rircuiar polarizers have been used v for difrerent ophthalmic applications, such as ophthalmoscopy,' lens photography,' and corneai endothelial microscopy.3 To the best of our knowledge, circular polarizers have not been applied to fundus photography. A linear polarizer polarizes light in a plane. In fundus photography, it has been used to show the birefringence of the nerve fiber layero and ...

Stereo Fundus Photography: Principles and Technique

Editor's note: The following is an excerpt from a chapter in the forthcoming book by Patrick J. Same, M.Ed., CRA, FOPS, and Marshall E. Tyler, CRA, FOPS, Ophthalmic Photography, A Textbook of Retinal Photography, Angiography, and Electronic Imaging, Boston: Butterworth-Heinemann, 1997 (available October 1996). This up-to-date comprehensive manual covers the classic topics of fundus photographic...