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  2. Optic vesicle - Wikipedia

    en.wikipedia.org/wiki/Optic_vesicle

    The eyes begin to develop as a pair of diverticula (pouches) from the lateral aspects of the forebrain.These diverticula make their appearance before the closure of the anterior end of the neural tube; [1] [2] after the closure of the tube around the 4th week of development, they are known as the optic vesicles.

  3. Visual prosthesis - Wikipedia

    en.wikipedia.org/wiki/Visual_prosthesis

    A visual prosthesis, often referred to as a bionic eye, is an experimental visual device intended to restore functional vision in those with partial or total blindness. Many devices have been developed, usually modeled on the cochlear implant or bionic ear devices, a type of neural prosthesis in use since the mid-1980s.

  4. Ocular prosthesis - Wikipedia

    en.wikipedia.org/wiki/Ocular_prosthesis

    An ocular prosthesis, artificial eye or glass eye is a type of craniofacial prosthesis that replaces an absent natural eye following an enucleation, evisceration, or orbital exenteration. The prosthesis fits over an orbital implant and under the eyelids .

  5. Argus retinal prosthesis - Wikipedia

    en.wikipedia.org/wiki/Argus_retinal_prosthesis

    Argus retinal prosthesis, also known as a bionic eye, is an electronic retinal implant manufactured by the American company Second Sight Medical Products. It is used as a visual prosthesis to improve the vision of people with severe cases of retinitis pigmentosa .

  6. Ophthalmic viscosurgical device - Wikipedia

    en.wikipedia.org/.../Ophthalmic_viscosurgical_device

    Ophthalmic viscosurgical devices (OVDs) are a class of clear gel-like material used in eye surgery to maintain the volume and shape of the anterior chamber of the eye, and protect the intraocular tissues during the procedure.

  7. Eye development - Wikipedia

    en.wikipedia.org/wiki/Eye_development

    Only the epidermis in the head is competent to respond to the signal from the optic vesicles. Both the optic vesicle and the head epidermis are required for eye development. The competence of the head epidermis to respond to the optic vesicle signals comes from the expression of Pax6 in the epidermis. Pax6 is necessary and sufficient for eye ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Retinal implant - Wikipedia

    en.wikipedia.org/wiki/Retinal_implant

    The most recent ARGUS II device contains 60 electrodes, and a 200 electrode device is under development by ophthalmologists and engineers at the USC Eye Institute. [15] The ARGUS II device received marketing approval in February 2011 (CE Mark demonstrating safety and performance), and it is available in Germany, France, Italy, and UK.

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