Main page / Astigmatism / Glasses and lenses to correct astigmatism. Glasses with special cylindrical lenses are the most common ways to correct astigmatism. According to the statistics released by leading ophthalmological companies, up to 80% of astigmatic patients prefer eye glasses for vision correction.
Population:A group of individuals of the same species, the same geographic area, at the same time, regularly interbreed Gene Pool:The collection of all gametes in a population Genotype Frequency: the frequency or proportion of genotypes in a population.llele Frequency: determines how frequent the allele expression of a particular gene arises in a population. Phenotype Frequency: A ratio stating the number of times a specific phenotype occurs in a population.
Inferring allele frequency trajectories from ancient DNA indicates that selection on a chicken gene coincided with changes in medieval husbandry practices. Molecular Biology and Evolution, 2017; DOI: 10.1093/molbev/msx142