Table 4 Variables measured to test effects of flash photography on the eye anatomy of Hippocampus subelongatus.

From: Behavioural and pathomorphological impacts of flash photography on benthic fishes

Variable Measurements
Anteroposterior eye diameter (Left) One measurement per eye
Anteroposterior eye diameter (Right) One measurement per eye
Dorsoventral eye Diameter (Left) One measurement per eye
Dorsoventral Diameter (Right) One measurement per eye
Lens Diameter (Left) One measurement per lens
Lens Diameter (Right) One measurement per lens
Retinal thickness Three measurements per retina
Photoreceptor length Three measurements per retina
Inner plexiform thickness Three measurements per retina
Inner nuclear layer thickness Three measurements per retina
Retinal ganglion cell layer thickness Three measurements per retina
Outer nuclear layer thickness Three measurements per retina
Perifoveal retinal thickness Two measurements left and right of fovea
Cone photoreceptor inner segment width Five measurements per retina
Rod inner segment width Five measurements per retina
Rod outer segment width Five measurements per retina