Validation of Titmus vision screener V4 for diagnosing refractory errors and colour blindness: An analogy with quotidian.

Background: This study aims at evaluating the validity profile of Titmus vision screener V4 for gauging visual acuity and colour perception as a screening tool.

Methods: Eleven hundred young adults attending eye OPD at a tertiary care center were included in the study. All individuals underwent distance visual acuity (DVA) measurement with Snellen chart and Titmus vision screener V4, at 6 m on the same day.

Association of socio-demographic factors with clinical outcome among hospitalized patients in first and second waves of COVID-19 pandemic: Study from the developing world.

Background: Recent disease resurgence in China indicates that corona virus infectious disease is still a pertinent public health problem. We stand at a juncture where we are still unsure about the initial dilemmas regarding its birth, therapies, and the emerging novel strains. Medical literature has focused on the clinical, laboratory, radiological, and therapeutic aspects of disease management.

Conformance of the food vendor carts design to the prescribed standards as per food safety and standards regulations: Assessment from an urban area of North India.

Background: Food Safety and Standards Authority of India, established under the Food Safety and Standards Act, 2006, is mandated with disseminating evidence-based standards, regulating the manufacture, storage, distribution, sale, and import of street food, for ensuring the availability of safe and wholesome food for human consumption and matters connected in addition to that or incidental to that. Hence, this study was conducted to ascertain the conformance of the design of street food vendor's carts to the prescribed standards.

Methods: We conducted a cross-sectional study in Chandigarh between July 2017 and March 2018 among 400 street food vendors.

Parallelism between hypovitaminosis D3 and recently detected myopia in children with amplified screen use in the COVID-19 era-A preliminary study.

Purpose: This introductory study aims to analyze the association of serum vitamin D3 levels with recently detected myopia in Indian children following home confinement post-COVID-19 pandemic.

Methods: Children aged 5-15 years who had not attended physical school in the past 1 year and visited the ophthalmology department with various ocular symptoms were divided into two groups: the myopic group with recently detected myopia and the non-myopic group with ocular ailments other than myopia. All children underwent basic ophthalmic evaluation and a general physical examination.