Figure 3. Dark adaptometry (lower
left panel), optical coherence tomography (upper left panel),
and multifocal electroretinography (upper right panel) in the
male patient with a tapetal-like reflex, demonstrating no
obvious abnormality of retinal function or structure. The
following abbreviations apply: cd is short for candela, m2
is short for square meter, ms is short for millisecond and nV is
short for nanovolt.