The patient developed
night blindness in his early 30s.
Table 2: Association of
night blindness with vitamin A status.
Based on the prevalence of
night blindness in preschool children, some studies have positively shown that the overall rate of deficiency in Bangladesh improved from 3.6% in 1982-83 to 1.78% in 1989 and 0.6% in 1996.
Indeed, a drop in visual acuity and
night blindness were the main reasons for consultation in our study.
Women suffering from
night blindness become dependent on their families, and their risk of accidents, personal injury, and death increases (Christian, Bentley, et al., 1998; Christian et al., 2000).
Editor's note: Retinitis pigmentosa is a disease that begins with
night blindness in adolescence and progresses to side vision loss, tunnel vision, and eventual blindness in some men and women.
Elderly cats may also experience
night blindness or deafness, both of which may contribute to nighttime yowling.
Benefits of beta-carotene: May protect against
night blindness and dry eyes.
One note on handheld spot lights: They can cause temporary
night blindness. Aim them away from yourself and other persons on the vessel, and avoid pointing them into the white walls of your gunnels.
Didem Yucel Yilmaz, two researchers in metabolism unit at Hacettepe University's Child Health Institute, Child Health and Diseases Department, have discovered a new gene that causes retinitis pigmentosa, publicly known as
night blindness. "Almost 1.5 million people in the world suffer from this problem," Ozgul told AA correspondent.
Vitamin A supplementation was associated with a reduced incidence of diarrhoea (0.85, 0.82 - 0.87) and measles (0.50, 0.37 - 0.67) and a reduced prevalence of vision problems, including
night blindness (0.32, 0.21 - 0.50) and xerophthalmia (0.31, 0.22 - 0.45).