Ora serrata

Ora Serrata

The Ora Serrata is the serrated junction between the retina and the ciliary body. This junction marks the transition from the simple, non-photosensitive area of the retina to the complex, multi-layered, photosensitive region. The Ora Serrata plays a crucial role in the overall function of the eye.

Anatomy

The Ora Serrata is located in the anterior part of the retina, approximately 8 mm from the limbus. It is the part of the retina that is the furthest forward in the eye. The Ora Serrata is named for its serrated edge, which is not a smooth transition but rather a jagged, uneven boundary.

Function

The primary function of the Ora Serrata is to serve as the boundary between the photosensitive and non-photosensitive parts of the retina. The non-photosensitive part of the retina, also known as the pars ceca retinae, includes the ciliary body and the iris. The photosensitive part of the retina, or the pars optica retinae, is responsible for vision.

Clinical significance

The Ora Serrata's location and function make it a critical area in several ocular diseases. For example, in retinal detachment, the Ora Serrata is often the site where the retina begins to peel away from the underlying tissue. In addition, the Ora Serrata can be involved in certain types of glaucoma, particularly angle-closure glaucoma.

See also

• Retina
• Ciliary body
• Iris (eye)
• Retinal detachment
• Glaucoma

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