A considerably high number of outdoor workers worldwide are constantly exposed for the
majority of their working life to solar radiation (SR); this exposure is known to induce various …

The present study was conducted to determine the global prevalence and risk factors for
pterygium. Three thousand two hundred fifty-five articles were identified, of which 68 articles …

Purpose.: To describe the prevalence and risk factors for pterygium in a population-based
sample of individuals aged 30 years and older in South Indian state of Andhra Pradesh …

Pterygium is a chronic eye disease: among its recognized risk factors there is long-term
exposure to ultraviolet (UV) radiation. The Sun is the main source of UV exposure: according …

Purpose To evaluate the prevalence of pterygia and associated factors in a rural population
in a mostly undeveloped agrarian region. Methods The Central India Eye and Medical Study …

Methods.: Potentially eligible studies published from the year 1946 to December 28, 2013
were identified from MEDLINE, EMBASE, and Cochrane Library databases, and reference …

Purpose To evaluate the prevalence of pterygium and its determinants in the underserved,
rural population of Iran. Methods In this cross-sectional study of 3851 selected individuals …

Purpose.: To understand the prevalence and associated risk factors of pterygium in Han and
Uygur population in Xinjiang, China and to assess the racial differences. Methods.: A cross …

Background To investigate the prevalence of pterygium and associated factors in Han and
Mongolian adults at four survey sites in Inner Mongolia, China. Methods We conducted a …

Introduction A pterygium is a wing-shaped fibro-vascular growth of conjunctiva on the
superficial cornea/conjunctiva. It is an elastotic degeneration of conjunctival stroma mainly …