Transient visual loss caused by crowded optic discs
5 April 2022
| Claire Howard
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EYE - Neuro-ophthalmology
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Young, amaurosis, crowded, female, optic disc, visual loss
The author presents four cases of transient visual loss (TVL) in young females (age range at presentation 14-22 years) with crowded optic discs. Patient demographics, investigations, medical and social histories are provided for all patients. A review of evidence for...
A retrospective medical notes review in patients with poor vision due to NAION
1 December 2021
| Claire Howard
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EYE - Neuro-ophthalmology
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Non-arteritic anterior ischaemic optic neuropathy, NAION, severe visual loss, visual acuity
Very severe visual loss (hand movements or less) is typical of arteritic anterior ischaemic optic neuropathy (AION) and relatively rare in non-arteritic AION (NAION). This study aimed to report the frequency of very poor visual acuity (VA) in NAION. The...
Unexplained vision loss following exposure to combat
1 February 2018
| Claire Howard
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EYE - Neuro-ophthalmology
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Functional visual loss, malingering, non-organic visual loss
Non-organic vision loss (NOVL) is defined as a decrease in visual acuity or visual field without an identifiable organic cause. NOVL can be particularly challenging and time-consuming to diagnose, especially where the vision loss is superimposed on an element of...
A novel test for unilateral functional visual loss
1 April 2017
| Claire Howard
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EYE - Neuro-ophthalmology
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Bilateral concurrent eye examination, functional visual loss, head-mounted perimetry
The authors report results of three cases of functional visual loss, where regular ophthalmic testing was not sufficient to confirm the diagnosis. In these cases, bilateral concurrent eye examination was performed using a head-mounted perimeter (imo), to facilitate the diagnosis....
A case report of visual loss as a consequence of coeliac disease
1 June 2016
| Claire Howard
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EYE - Neuro-ophthalmology
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Calcification, coeliac, occipital, visual loss
The authors present a case of permanent visual loss secondary to occipital lobe calcification in coeliac disease, the first reported such case. The 58-year-old man had been diagnosed with coeliac disease 20 years prior to his visual investigations and had...
