What are the standard types of optical lenses?

The correct choice identifies the standard types of optical lenses commonly used in eyewear. Single vision lenses are designed to provide a single corrective power for distance or near vision, making them ideal for patients who require vision correction for one specific range. Bifocal lenses incorporate two distinct optical powers, enabling the wearer to see clearly both at a distance and for near tasks, which is particularly useful for presbyopic patients. Trifocal lenses go a step further by adding a third optical section for intermediate vision, facilitating a smooth transition between distance, intermediate, and near vision. Progressive lenses, also known as no-line bifocals, offer a gradual transition between multiple viewing areas for distance, intermediate, and near vision without visible lines on the lens, providing a more natural visual experience.

The other choices either include terms that are not standard in optical lens classification or combine incorrect pairs that do not accurately reflect the types of lenses commonly used in optics. These inaccuracies highlight the importance of familiarizing oneself with the correct terminology and functions of various lens types in understanding and addressing patient needs.