BSIP, CHASSENET / SCIENCE PHOTO LIBRARY BSIP, CHASSENET / SCIENCE PHOTO LIBRARY
Eye test chart. Glasses on an eye test chart for measuring visual acuity. Glasses or contact lenses may be required if a person cannot see the letters clearly enough. The test may enable eye disorders such as long-sightedness (hypermetropia) and short-sightedness (myopia) to be diagnosed.
Model release not required. Property release not required.