BACKGROUND Leber congenital amaurosis (LCA) is a genetically heterogeneous group of retinal diseases that cause congenital blindness in infants and children. Mutations in the GUCY2D gene that encodes retinal guanylate cyclase-1 (retGC1) were the first to be linked to this disease group (LCA type 1 [LCA1]) and account for 10%-20% of LCA cases. These mutations disrupt synthesis of cGMP in photore...

Childhood blindness has an adverse effect on growth, development, social, and economic opportunities. Severe visual impairment (SVI) and blindness in infants must be detected as early as possible to initiate immediate treatment to prevent deep amblyopia. Although difficult, measurement of visual acuity of an infant is possible. The causes of SVI and blindness may be prenatal, perinatal, and pos...

Background: Conversion disorder, a mental disorder characterized by the presence of multiple medically unexplained neurological symptoms and signs precipitated by psychological stress, occurs in childhood. Conversion disorder is more common in lower socioeconomic-class individuals who are medically naïve. Objective: To demonstrate the salient features of conversion disorder in childhood and to ...

background: color blindness is an inherited disorder in which a person cannot distinguish colors from each other.  color blind drivers are involved in car accident twice as much as others. according to the importance of identifying causes of a lot of car accidents in iran and shortage of similar studies in this regards, this research was done to study the prevalence of color blindness in driver...

Purpose To present the results of a community-based screening programme for diabetes, diabetic retinopathy (DR) and childhood blindness (CB) in District Hyderabad, Pakistan. Methods Prospective cross-sectional data collection from January 2014 to December 2015 of screening for diabetes, DR and CB in Hyderabad District. Female health workers were trained to identify high-risk (potential) patie...

BACKGROUND A recent survey of avoidable blindness in Varamin District, Iran, identified moderately high levels of visual impairment (10%) and blindness (1.5%) in people >50 years. This study aimed to define current provision, identify gaps and suggest practical solutions for improving eye health services in this area. METHODS The World Health Organization (WHO) framework for analyzing health ...

Chlamydia pneumoniae and trachomatis are significant human pathogens that affect people of all ages worldwide. psittaci is a cause zoonosis, birds the reservoirs. All diseases for which there no effective vaccine. C. responsible respiratory tract infections but majority recent research has focused on persistent associated with chronic been considered childhood infection potential adult conseque...

Purpose: To determine the prevalence and causes of visual impairment among children aged 7 years below in a tertiary eye care centre Kuala Lumpur, Malaysia.
 Study design: Cross-sectional retrospective study.
 Methods: Medical records all who attended paediatric ophthalmology clinic 2020 were reviewed.
 Results: In 2020, 2,460 seen clinic, whom 549 (22.3%) presented with impairme...

normal 0 false false false microsoftinternetexplorer4 background: war is a known cause of tremendous physical injuries to different body organs, and eyes are not exceptions. war-related no visual acuity (nva) affects both the victim and the family. activity of daily living (adl) can display personal life independency and is considered as a morbidity index. this study was designed to investigate...