Finally, the optic vesicle grows to form an optic outgrowth.
2.
The optic vesicles then begin to form the optic cup.
3.
Fz4 and Fz5 are found in the distal area of the optic vesicle.
4.
These two grooves in the neural folds transform into optic vesicles with the closure of the neural tube.
5.
Through a groove at the bottom of the optic vesicle known as choroid fissure the blood vessels enter the eye.
6.
Optic cup morphogenesis is the invagination process occurring after neuroectoderm movement forms the spherical optic vesicle ( Phase 1 ).
7.
The convex stadium is also mirrored in the embryonal development in form of the optic vesicle ( Figure 2 ).
8.
The convex stadium of the retina during evolution is mirrored in the embryonal development in form of the optic vesicle.
9.
Over the course of approximately 12 hours, the distal end of the optic vesicle inner layer begins to flatten ( Phase 2 ).
10.
The optic vesicles then develop into the optic cup with the inner layer forming the retina and the outer portion forming the retinal pigment epithelium.
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