Biology Internal Structure Of Eye. The iris is a flat thin ring-shaped structure sticking in to the anterior chamber. The anterior segment is divided into two chambers.
All vertebrates possess complex camera eyes. The external structures of the eye include. It passes through other layers that process it so that it can be interpreted by the retina Figure 1b.
Small depression in retinal wall is called Fovea centralis which contains only cone cells.
It essentially consists of CORNEA LENS RETINA besides many other parts such as Iris Pupil and aqueous humour vituous humour etc. Conjunctivitis means simply inflammation of the conjunctiva. A section of the eye is as shown in Fig. The lacrimal apparatus of each eye consists of a lacrimal gland and its numerous ducts the superior and inferior canaliculi a lacrimal sac and a nasolacrimal duct.