A retrospective study was made of 30 children with Leber's amaurosis (congenital retinal blindness). 24 presented with severe visual impairment, typical ophalmological findings, and absent electroretinograms. 6 other children, though presenting with marked visual loss and absent electroetinograms were later shown to be less severely affected. Some of the more severely affected children had asso...

Ocular complications in dengue fever are uncommon but may result in visual loss. The authors report the first documented case of a patient with dengue fever who presented with simultaneous bilateral acute angle closure glaucoma. The disease was confirmed by specific serological tests. Despite the treatment, severe visual impairment occurred in this case.

Dengue fever is a viral disease that is transmitted by mosquitoes and affects humans. In rare cases, dengue fever can cause visual impairment, which usually occurs within 1 month after contracting dengue fever and ranges from mild blurring of vision to severe blindness. Visual impairment due to dengue fever can be detected through angiography, retinography, optical coherence tomography (OCT) im...

Leber inherited optic neuropathy (LHON) is characterized by subacute bilateral loss of central vision due to dysfunction and loss of retinal ganglion cells (RGCs). Comprehensive visual electrophysiological investigations (including pattern reversal visual evoked potentials, pattern electroretinography and the photopic negative response) performed on 13 patients with acute and chronic LHON indic...

BACKGROUND/AIMS Children with optic nerve hypoplasia (ONH) have visual impairment and may have hypopituitarism and developmental delay. Children with ONH have also been reported to have abnormal sleep-wake cycles. We assessed the incidence and nature of sleep-wake abnormalities in children with ONH. METHODS Rest-activity patterns were assessed in 23 children with ONH using actigraphy, which i...

background: causes of blindness in children vary according to the region and socioeconomic development. within a given country these causes vary with passage of time. this reflects different levels of socioeconomic development and provision of healthcare services. this cross-sectional study was undertaken to estimate the major causes of severe visual impairment in children and specially prevent...

As dementia diagnostic tools such as the MoCA screening test are mainly auditory-based, risk of false-positive diagnosis in presence a moderate to severe hearing impairment cannot be ruled out. Therefore, visual-based MoCA-HI has recently been developed English. The aim present study was assess German version cognitive healthy subjects aged 60 or more with and without loss.

The purpose of this study was to question the correlation of different grades of periventricular leukomalacia (PVL) and subsequent neurodevelopmental outcome. In a prospective study we followed 52 preterm infants. Infants were divided into three groups according to their cranial ultrasound findings of PVL (De Vries classification). Seventeen children had PVL 1, 20 children had PVL 2, and 15 chi...