1) What are the accessory structures of the eye? 2) List the structures that are in...

1) What are the accessory structures of the eye?

2) List the structures that are in each layer of the intrinsic eye.

3) List the pathway for vision.

Expert Solution

Answer

1) The accessory stuctures of the eye include :

Lacrimal glands
Eyelids
Eyebrows
Conjunctiva

2) Structures in layers of intrinsic eye :

There are three layers of eye :

a) Fibrous tunic

Sclera and cornea
- Lamina cribrosa, Anterior and posterior scleral foramen, scleral splur, sclerotic ring.

b) Vascular tunic :

Choroid layer : Bruch's membrane, middle stroma, suprachoroid.
Ciliary body
Lens
Aqueous humor
Iris
Pupil

c) Neural tunic :

Retina layer
Optic disc

3) Pathway for vision :

Cornea Aqueous humor Pupil Lens Vitreous humor Retina Photoceptor cells Bipolar neuron Ganglion cells Optic nerve Optic chiasm Optic tract Lateral geniculate nuclei of thalamus Optic radiations Primary visual cortex in occipital lobe.

Sydney Mullin answered 2 years ago

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