2017年8月24日星期四
What are the hazards of vitreous opacity?
(1) vitreous hemorrhage. What are the hazards of vitreous opacity? Vitreous itself without blood vessels, where the bleeding is foreign, especially to see the retina of large blood vessels, high blood pressure, diabetes, retinal vein plugs and other common in the elderly, trauma is also a common cause. Bleeding, such as long-term non-absorption, can occur in the machine, proliferation, leading to retinal detachment.
(2) vitreous inflammatory exudation. Common in uveitis, suppurative endophthalmitis, sympathetic ophthalmia, syphilitic retinal choroiditis and so on. Examination can be found in the vitreous floating point-like, flocculent inflammatory cells, if serious, may have vitreous empyema, eventually leading to traction retinal detachment.
(3) vitreous pigmentation, can be seen in primary retinal detachment, endophthalmitis, trauma and so on. What are the hazards of vitreous opacity? Pigment particles may be derived from the retinal pigment layer or intravitreal hemorrhage.
(4) intraocular tumors. Infants and young children the most common intraocular malignant tumor is retinoblastoma, and reticulocyte sarcoma is found in the elderly, will lead to vitreous opacity.
(5) vitreous parasites in the vitreous body can also lead to vitreous opacity to pigs, tapeworm cercariae most common, although the age group can occur, but there are obvious regional distribution tendencies. What are the hazards of vitreous opacity? Once the cysticercosis release toxins, can cause severe vitreous opacity, retinal detachment.
http://www.wehealthweb.com/ophthalmology/
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