Table 1 Imaging modalities and diseases to observe

Retina Fundus

2D; considerably larger areas of the fundus

Interior surface of the eye (retina;

DR, glaucoma, AMD

than can be seen at one time with handheld

optic disc; macular; posterior pole)

ophthalmoscopes

OCT

3D; high resolution cross-sectional imaging

Cornea thickness, retinal nerve fibre

Glaucoma, macular

layer tissue, macular thickness

degeneration and edema

Heidelberg Retina

2D; confocal scanning laser ophthalmoscope

Retina

Glaucoma

Tomography (HRT)

Slit Lamp

2D; high-intensity light source stereoscopic

Eyelid, scelra, conjunctiva, iris,

Cataract

magnified view of the eye structures

lens, cornea

RetCam

2D; wide angle imaging

Anterior segment, anterior chamber

Anterior segment lesions,

Retinopathy of Prematurity

Scanning laser

High resolution cross-sectional imaging

Thickness of RNFL

Glaucoma

polarimetry (SLP)