Retinal Detachment Good afternoon everyone. Today we will study retinal detachment together, Dr. hou and I will make the presentation , then Dr. Mahesh.

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Presentation transcript:

Retinal Detachment Good afternoon everyone. Today we will study retinal detachment together, Dr. hou and I will make the presentation , then Dr. Mahesh will comment on our performance.

What is RD? So what is RD?

Definition First of all, we should review the anatomy of the retina. The retina is a neurosensory tissue that lines the interior posterior two thirds of the eye. It has vitreous inside and choroid outside. It has 10 layers, the inner 9 layers are developed from the inner part of optic cup and has potential space with the outer layer, or RPE which developed from the outer part of the optic cup. Retinal detachment results when physiologic and anatomic mechanisms of retinal attachment are overcome and the retina separates from the underlying retinal pigment epithelium . Retinal detachment is relatively uncommon, affecting only one in 10,000 people per year, or approximately one in 300 patients in the course of a lifetime. .

How to classified? Retinal detachments are classified into three types according to diffierent pathogenesis. Exudative, tractional and rhegomatogeneous RD.

What are the Pathogenesis?

Exudative retinal detachment results from the accumulation of serous and/or hemorrhagic fluid in the subretinal space because of hydrostatic factors (e.g., severe acutehypertension), or inflammation (e.g., sarcoid uveitis), or neoplastic effusions. Exudative retinal detachment generally resolves with successful treatment of the underlying disease, and visual recovery is often excellent. tractional retinal detachment, occurs via centripetal mechanical forces on the retina, usually mediated by fibrotic tissue resulting from previous hemorrhage, injury, surgery, infection, or inflammation. Correction of tractional retinal detachment requires disengaging scar tissue from the retinal surface. In patients with tractional retinal detachment, vision outcomes are often poor.The third and most common type is rhegmatogenous retinal detachment.

Pathogenesis The key pathogenetic steps of rhegmatogenous retinal detachment are illustrated in this Figure A patient may present with one or more of these types.

Symptoms?

Photopsia Floaters Blurred vision Shadow or curtain moving over vision field Peripheral of central visual loss

Signs?

Retina Evaluated from RPE Retinal breaks Pigmented cells Vitreous hemorrhage PVD Fixed retinal fold Lower IOP

Risk factors for RD?

DD of RD?

Guidelines for referral to specialist

To be continued That’s all for my presentation , Thank you all for attention.