Nystagmus in infancy.

I Casteels, CM Harris, F Shawkat… - The British journal of …, 1992 - ncbi.nlm.nih.gov
Spontaneous nystagmus in infants may be present at birth but more frequently appears in
the first 6 months.'We present a classification in which nystagmus with an onset before 6 …

Centrifugal and centripetal mechanisms involved in the 'gating'of cortical SEPs during movement

SJ Jones, JP Halonen, F Shawkat - Electroencephalography and Clinical …, 1989 - Elsevier
Pre-and post-central cortical SEPs were of reduced amplitude and altered wave form when
the median nerve stimulus was delivered during active movement of the thumb. Peripheral …

Management of nystagmus in children: a review of the literature and current practice in UK specialist services

…, C Harris, H Lee, J Owen, J Sanders, F Shawkat… - Eye, 2020 - nature.com
Nystagmus is an eye movement disorder characterised by abnormal, involuntary rhythmic
oscillations of one or both eyes, initiated by a slow phase. It is not uncommon in the UK and …

Intermittent horizontal saccade failure ('ocular motor apraxia') in children.

CM Harris, F Shawkat, I Russell-Eggitt… - British Journal of …, 1996 - bjo.bmj.com
BACKGROUND: Ocular motor apraxia (OMA) in childhood is a poorly understood condition
involving a failure of horizontal saccades. OMA is thought to be rare but the literature …

[HTML][HTML] Supranuclear eye movements and nystagmus in children: A review of the literature and guide to clinical examination, interpretation of findings and age …

…, H Lee, M Ranger, M Hedley-Lewis, F Shawkat… - Eye, 2019 - nature.com
Abnormal eye movements in children, including nystagmus, present a significant challenge
to ophthalmologists and other healthcare professionals. Similarly, examination of …

A comparison of flash electroretinograms recorded from Burian Allen, JET, C-glide, gold foil, DTL and skin electrodes

L Esakowitz, A Kriss, F Shawkat - Eye, 1993 - nature.com
Single flash scotopic and photopic electroretinograms (ERGs) were recorded from the same
subjects using six types of corneal electrode, in order to assess their relative effectiveness …

[HTML][HTML] Identification of a functionally significant tri-allelic genotype in the Tyrosinase gene (TYR) causing hypomorphic oculocutaneous albinism (OCA1B)

…, D Bunyan, H Lee, R Page, T Newall, F Shawkat… - Scientific reports, 2017 - nature.com
Oculocutaneous albinism (OCA) and ocular albinism (OA) are inherited disorders of melanin
biosynthesis, resulting in loss of pigment and severe visual deficits. OCA encompasses a …

Joubert syndrome: long-term follow-up

PR Hodgkins, CM Harris, FS Shawkat… - … medicine and child …, 2004 - cambridge.org
Twenty-nine patients (16 males, 13 females) with Joubert syndrome were identified from
ophthalmology, neurology, and genetic databases covering a 15-year period at Great …

Contribution of cutaneous and muscle afferent fibres to cortical SEPs following median and radial nerve stimulation in man

JP Halonen, S Jones, F Shawkat - Electroencephalography and Clinical …, 1988 - Elsevier
Somatosensory evoked potentials were recorded after stimulation of motor and cutaneous
nerves in the upper limb. Stimulation of the thenar motor branch of the median nerve and the …

Allelic variation of the FRMD7 gene in congenital idiopathic nystagmus

JE Self, F Shawkat, CT Malpas… - Archives of …, 2007 - jamanetwork.com
Objectives To perform a genotype-phenotype correlation study in an X-linked congenital
idiopathic nystagmus pedigree (pedigree 1) and to assess the allelic variance of …