Lenses were discovered in the first century AD but not used much until the end of the 13th century. The individuals who wrote of these lenses were Seneca and Pliny the Elder.
Convex Lenses (Plus Lenses): Used to correct farsightedness (hyperopia) by converging light. Concave Lenses (Minus Lenses): Used to correct nearsightedness (myopia) by diverging light.
The first was Robert Hooke.
lenses
primary lenses are that lenses which are maked by leunhoek .these lenses are used to see parts of different objects and these lenses had maked first.they are mostly used in ancient time. .
Convex lensesConverging lenses
Fresnel lenses were originally designed to be used in Lighthouses. Since then, these lenses have been used in car headlights, on televisions, in solar cookers and other things.
Convex and concave lenses were discovered by ancient Greeks, likely by philosophers and mathematicians such as Aristotle and Euclid in the 4th and 3rd centuries BC. The properties and uses of these lenses were further explored by Islamic mathematicians and scientists during the medieval period.
Some examples of diverging lenses include biconcave lenses, planoconcave lenses, and concavo-convex lenses. These lenses are thinner at the center than at the edges, causing light rays passing through them to diverge. Diverging lenses are commonly used in combination with converging lenses to correct vision problems.
The type of lenses that are used on CCTV cameras are lenses that are adjustable. They must be able to change a subject's size on the screen. They must have focal view and depth of view.
Toric lenses are used for people with more oblong shaped corneas than round shaped corneas, this is called corneal astigmatism. These special lenses are more comfortable and provide better sight than if they were to use normal contact lenses.
To correct astigmatism, cylindrical lenses are typically used in prescription glasses or contact lenses. These lenses have different curvatures in different meridians, allowing them to compensate for the uneven shape of the cornea or lens that causes astigmatism. Additionally, toric lenses, which are specifically designed for astigmatism, can also be used in both glasses and contact lenses for effective correction.
it magnifys it like alott