Development

ofVertebrate Eye

ByTauqeer Ahmad

BS-ZoologyMurray College Sialkot

At about 16th day of embryonic life, Neural tube formation begins

At about end of fourth week , Three Primary Brain

vesicles are formed

At Day 22 of embryonic life , Development of the optic vesicle and lens placode begins

Formation and development of the optic vesicle

Development of the lens vesicle and its invagination into the optic cup

Development of choroid fissure and hyloid vessels.

Stages in the development of retina.

Developmental stages in the formation of the lens.

Development of the coats of the eye.

Development of sclera, choroid, ciliary body, and iris.

Formation of anterior and posterior chambers.

Development of eyelids, conjunctival sac, and lacrimal gland.

Congenital Malphorations of the Eye

Coloboma iridis

Congenital cataracts

Congenital glaucoma

Detached retina

Persistent iridopupillary membrane

Microphthalmia

Cyclopia(single eye)

THANKYOU