dioptres

""The optometrist prescribed new glasses with -2.5 dioptres to correct my daughter's nearsightedness." "

"The dioptres adjustment on my new binoculars allows me to focus the view clearly. "

"The optometrist used a series of dioptres to determine the correct lens prescription for my glasses. "

"The surveyor used the dioptres to accurately measure the angle of the slope for the new road. "

"The surveyor used the dioptres on the alidade to precisely measure the angles in the field. "

"During the eye surgery, the doctor carefully inserted the dioptres to keep the eyelids open and allow for a clear view. "

"Because modern technology offers faster alternatives, the professor explained that using dioptres to create accurate skull projections is now a largely obsolete technique, mainly studied for its historical significance in anatomical drawing. "