Often there is a relatively normal-appearing fundus examination except for bilateral temporal disk pallor, and retinal arterial attenuation. Retinal dystrophies (especially cone dystrophies). Carcinoma/melanoma-associated paraneoplastic retinopathiesĤ. AIBSE generally resolves over several weeks or months but occasionally will recur in the same or opposite eye.ģ. However, subtle grayish discoloration of the peripapillary retina is seen. Ophthalmoscopy and fluorescein angiography are often normal. Visual acuity and color vision are typically spared, and an RAPD is present in > 50%. It affects mostly women between the ages of 20 and 40 years. The patient is aware of a monocular scotoma temporally with photopsias in the scotomatous field. acquired idiopathic blind spot enlargement syndrome.ĪIBSE is characterized by sudden onset of enlargement of the physiologic blind spot. The photostress test: maculopathies have a prolonged recovery time, optic neuropathies have a normal recovery time.ĥ. Maculopathies and for unilateral visual loss also consider amblyopia. What conditions should be considered in the absence of a RAPD in cases where the cause of unilateral or asymmetric visual loss is not apparent? The worsening of vision with increased body temperature (e.g. What are the findings of the posterior reversible encephalopathy syndrome? Why should the blood pressure be checked in patients with a history of transient vision loss?Ģ1. What exam findings may be found that help confirm the diagnosis of amblyopia?Ģ0. ![]() What specific historical items should be sought in cases of unexplained monocular visual acuity loss but with a normal visual field?ġ9. What is the fundus appearance early in the course of cone dystrophies?ġ8. What are 4 bilateral retinal conditions that may be difficult to distinguish from bilateral symmetric primary optic neuropathies?ġ7. What is the acquired idiopathic blind spot enlargement syndrome (AIBSE)?ġ6. What are five retinal conditions that may mimic optic neuropathies?ġ5. What simple clinical test may help in determining if a maculopathy is present where the cause of unilateral or asymmetric visual loss is not apparent?ġ4. What conditions should be considered in the absence of an RAPD in cases where the cause of unilateral or asymmetric visual loss is not apparent?ġ3. Other than vascular disease, what 10 conditions can cause transient monocular visual loss?ġ2.
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