Eye chart chart or Jaeger chart can be used. While the Snellen chart remains the default, some authors have argued that the logMAR chart is superior. The logMAR chart presents the same number of symbols on each line, uses a typeface with letters that are equally legible at various sizes, and by varying the symbol size logarithmically, it is easier to use at nonstandard distances. As a consequence of these improvements, the logMAR chart has been proposed as a more reliable tool for measuring visual acuity. However, the logMAR chart has not yet been widely adopted. It can be difficult to measure
Doctor of Letters Doctor of Letters Doctor of Letters (D.Litt., Litt.D., D. Lit., or Lit. D.; Latin ' or ') is an academic degree, a higher doctorate which, in some countries, may be considered to be equal to the Ph.D. and equal to the Doctor of Science (Sc.D. or D.Sc.). It is awarded in many countries by universities and learned bodies in recognition of achievement in the humanities, original contribution to the creative arts or scholarship and other merits. When awarded without an application by the conferee, it is awarded as an honorary degree. In the United Kingdom, Australia, India and the Republic