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PubMed1989

[Intermediate uveitis].

Intermediate uveitis defines the group of diseases formerly called pars planitis or chronic cyclitis. Its frequency amounts to 10-20% of all uveitis cases. The anamnesis is vague. The clinical symptoms mainly involve the vitreous. The visual acuity is variable, depending of the involvement of the retina. A slight inflammation of the anterior chamber is possible, but no synechiae are present. The vitreous shows a positive Tyndall and cells, snow balls, eventual plaques on the pars plana. Serious cases are complicated by a retinal vasculitis, which often leads to cystic macular edema and papillary edema. Schisis and retinal holes are more seldom. A complicated cataract can develop. The most valuable complementary tests are fluorescein angiography and electroretinography, useful to detect retinal damage. Aetiological investigations give mostly poor results and are not very useful. Differential diagnosis has to be made, among others, from Fuchs' heterochromic cyclitis and from acute cellular infiltration of the vitreous in case of retinochoroiditis or candida endophthalmitis. Treatment of intermediate uveitis can be only local and discrete when only the vitreous is involved. If the retina is damaged, systemic steroids or immunodepressive cytostatic drugs might be indicated. Despite the duration of the disease, its prognosis remains rather good. Only about 15% of the cases end up with visual impairment to 1/10 or less, while more than half of the cases maintain a visual acuity higher than 0.6, even after three years of disease progress.

Diagnosis, Differential↗

PubMed1989

[Intermediate uveitis].

Intermediate uveitis is diagnosed in about 10% of the patients seen at the "Uveitis Clinic" of the Second Department of Ophthalmology of Vienna University. Forty-nine patients (with 83 eyes showing signs of the disease) were followed up for between six months and 12 years. Bilateral involvement was seen in 34 patients. The average age of the 27 female patients at the time of diagnosis was 26.2 years, that of the 22 male patients 24.6 years. All the eyes affected showed distinct vitreous opacities; 80% developed exudates overlying the pars plana and 70% showed a mild anterior chamber reaction. Posterior synechiae were found in 10% of the eyes, swelling of the optic disk in 15%, retinal vaso-proliferation in 10%, and dense intravitreal membranes in 6%. Posterior subcapsular cataract, vitreous hemorrhage, retinal detachment, band keratopathy, and atrophy of the eye were rarely seen. The complication most frequently and severely reducing central visual acuity was cystoid macular edema (30%). Whereas 31 patients did not require any treatment over the course of the observation period, it was found that oral corticosteroid therapy led to a significant improvement in vision in 14 patients (20 eyes) with CME. Only few patients required a combination of corticosteroids and Ciclosporin-A as long-term therapy. Vitrectomy and scleral buckling operations were rarely performed.

Adolescent↗

PubMed1992

Intermediate uveitis and Lyme borreliosis.

A case of chronic intermediate uveitis and associated classic snowbanking (pars planitis) with severe cystoid macular oedema probably due to Lyme borreliosis is reported. Despite a disease duration of 10 years the patient's ocular symptoms and visual acuity responded promptly to intravenous ceftriaxone treatment. This case demonstrates that periodic reevaluation of patients with intermediate uveitis is necessary to obtain a specific diagnosis which may include Lyme borreliosis.

Adult↗

PubMedDate not supplied

[Value of vitrectomy in intermediate uveitis and Behçet's disease with hyalitis. A study of 400 cases].

Can vitrectomy help to understand the vitreous role in intermediate uveitis and Behçet's disease with vitritis without retinal detachment? 400 vitrectomies were decided because of vitreous changes but, over all, if macular changes were seen clinically or on the angiogram in 58 Behçet's disease and 342 intermediate uveitis including 59 children cases. Visual acuity, clinical, angiographical and visual field controls, recurrences, reduction of the medical treatment and growth were followed during 1 to 9 years. The vitrectomy products were compared to those of other inflammatory origin vitreous, the both representing 149 cases. Vitrectomy at the early stage of only posterior interface changes prevent the macular edema but this one is irreversible. The preexisting angiographical lesions have not regressed but they are generally quiet. The RD incidence is lower even if it is possible after vitrectomy, in 1.2% of the cases (1% in late vitrectomies). Recurrences and further medical treatment are reduced. This psychological point of view is important. Thus, vitrectomy at alone posterior interface change stage avoid ocular complications. Its pathogenic role in intermediate uveitis is not demonstrated; it seems more a secondary than a primary process.

Adult↗

PubMed1990