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Farsightedness

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  • Farsightedness

    Farsightedness Farsightedness or hyperopia, as it is medically termed, is a vision condition in which distant objects are usually seen clearly, but close ones do not come into proper focus. Farsightedness occurs if your eyeball is too short or the cornea has too little curvature, so light entering your eye is not focused correctly. Treatment: Corrective lenses: Eyeglasses: Contact lenses: Refractive surgery: Laser-assisted in-situ keratomileusis (LASIK). Laser-assisted subepithelial keratectomy (LASEK). Photorefractive keratectomy (PRK). Conductive keratoplasty (CK).

  • Farsightedness

    Epidemiology:

    In Europe, a prevalence study was conducted in Norway to compare the refractive error prevalence in a population sample of 112 individuals to that of 224 university students; subjects were analysed by means of autorefraction in cycloplegia. Statistically significant differences between groups were found for the rates of hyperopia: 47% to 50% for the population sample and 30% to 35% for the students. The authors of the aforementioned study also participated in a subsequent research study in Norway, in which 3,137 persons were examined to determine the prevalence of refractive errors in the young and middle-aged adult population. Prevalence of hyperopia increased with age, from 13.2% to 15% (20- 25 years) to 17.4% to 19% (40-45 years). The highest rate of hyperopia (20.1% to 22%) was found in middle-aged women. In Poland, a total of 4,422 schoolchildren were examined by means of retinoscopy under cycloplegia. Hyperopia was defined as a spherical equivalent of at least +1.00 D. The percentage of hyperopic children in the age group ranging from 6 to 18 years was 13.1% to 14%. A population-based eye study in Germany with 13,959 eligible participants aged 35 to 74 years studied the distribution of refractive errors among adults of European descent. Refractive error was determined by autorefraction. Hyperopia (SER > +0.50 D) was present in 31.8% of subjects. Another study in Germany, in which 516 subjects aged 2 to 35 years were examined (SER ? +0.50 D), yielded a prevalence of 9.8% among children aged 2-6 years, 6.4% in children aged 7-11 years, 3.7% in adolescents, and 2.9% in adults. In a cross-sectional study among Dutch schoolchildren and hospital employees, a total of 520 children aged 11 to 13, and 444 hospital employees aged 17 to 60 years were measured by means of cycloplegic autorefraction. In schoolchildren, 8% of right eyes were hyperopic (SER > +0.50 D), while this rate was 10% among hospital employees. In Spain, Mont�s-Mic� analysed 7,621 Spanish subjects, 3,692 men and 3,929 women, whose ages ranged from 3 and 93 years. The overall prevalence of hyperopia was 35.6%, increasing with age: from 36.9% (3-8 years) to 55.8% (66-93 years).

 

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