"Dioptre" Pronounce,Meaning And Examples

"Dioptre" Natural Recordings by Native Speakers

Dioptre

"Dioptre" Meaning

A dioptre is a unit of measurement for the refractive power of a lens, particularly in optics and ophthalmology. One dioptre is equivalent to the reciprocal of the focal length of a lens, in metres. In simpler terms, it measures how much a lens bends light. For example, a lens with a dioptre reading of +2.00 is considered relatively strong, meaning it can greatly converge (i.e., bend) light.

"Dioptre" Examples

Usage Examples of "Dioptre"

Example 1: Correcting Vision

A person who needs to correct their nearsightedness may wear glasses with +3 dioptres lenses.

Example 2: Measuring Vision

The optometrist used a dioptre meter to measure the patient's vision and prescribe the correct strength of contact lenses.

Example 3: Prescribing Medication

The doctor prescribed 2 dioptres of atropine drops to dilate the patient's pupils during the eye examination.

Example 4: Analyzing Vision

The ophthalmologist analyzed the patient's vision by adjusting the dioptre settings on the phoropter to determine the correct prescription.

Example 5: Buying Glasses

When trying on new glasses, the customer noticed that the +1.5 dioptres lenses corrected her nearsightedness and gave her clearer vision.

"Dioptre" Similar Words

Diopside

Dioptase

Dioptase is a rare mineral, a hydrated copper phosphate with the chemical formula CuSiO3(OH)·2H2O. It is typically found in oxidized copper ore deposits and has been found in a few localities around the world, including Democratic Republic of Congo, Namibia, and Peru.

Diopter

Diopters

Dioptometer

Dioptometry

Dioptometry is the science of measuring the refractive power of the eye and correcting vision problems through the use of lenses, prisms, and other optical devices. It is the branch of optics that deals with the measurement and correction of refractive errors, such as nearsightedness, farsightedness, astigmatism, and presbyopia.

Dioptra

Dioptral

Dioptric

Dioptric refers to the refractive properties of an optical medium, such as air, water, or glass, that bends light. In physics, diptery is used to describe the way light is refracted or bent as it passes through a medium with a different optical density. The term is often used in optics, eyecare, and ophthalmology to describe the prescription of glasses or contact lenses to correct vision problems.

Dioptrical

Dioptrics

Dioptries

Dioptry

Dioptry refers to the science of measuring the refractive indices and powers of lenses to correct vision defects such as nearsightedness, farsightedness, astigmatism, and presbyopia. The term is often used interchangeably with optometry, which is the practice of optometry, particularly in the field of eyeglasses and contact lens prescriptions.