Abstract
Objective To observe the clinical characteristics of fundus changes secondary to orbital diseases and to find out the relationship between the fundus lesions and orbital diseases.Methods A retrospective review of 18 cases of orbital diseases that showed remarkable orbit-related fundus changes and were seen by the corresponding author in Zhongshan Ophthalmic Center,Sun Yat-sen University,from Feb 2001 to Sep 2009.These included 3 cases of thyroid associated ophthalmopathy (TAO),2 cases of idiopathic orbital inflammatory pseudotumor (IOIP),3 cases of pleomorphic adenoma of lacrimal gland,2 cases of optic nerve glioma,2 cases of meningioma of optic nerve,1 case of orbital neurilemmoma,1 case of orbital paragangliomas,1 ease of orbital non-hodgkin's lymphoma,1 ease of vascular malformation with orbital bleeding,and 1 case of posterior scleratitis.Results All 18 cases with orbital diseases had their fundus changes.The fundus features in patients with TAO were congestive papilledema and macular pucker; those in IOIP were inflammatorypapilledema.In patients with orbital tumors,the main findings were choroidal-retinal folds and/or uplift due to direct tumor compression.If tumors were near or next to the optic nerve,they were easy to have papilledema; if the mass involved the orbital apex,they were easy to result in blood backflow obstacles and showed apparent retinal vein expansion.Conclusions Main fundus changes in patients with orbital diseases are choroidal-retinal folds due to mild tumor compression and local choroidal-retinal uplift due to obvious tumor onmpressior.Orbital lesions involving the proximal optic nerve may result in papilledema and those involving orbital apex may block the blood backflow and show apparent retinal vein expansion.The fundus changes secondary to diseases of the orbit related probably to the properties and location of primary diseases. Key words: Orbital tumor; Thyroid associated ophthalmopathy; Orbital inflammatory pseudotumor; Fundus; Choroidal retinal folds
Published Version
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