Sentence examples for focus on close objects from inspiring English sources
"For more than 140 years, adjustable focus has been recognized as the Holy Grail for presbyopes," said Dr. Kurtin, referring to the roughly one-third of the population that has lost some or all ability to focus on close objects.
Dr. Kurtin, 64, has spent almost 20 years of his career on a quest to create a better pair of spectacles for people who suffer from presbyopia — the condition that affects almost everyone over the age of 40 as they progressively lose the ability to focus on close objects.
Presbyopia is the loss of the natural lens' flexibility, which makes it difficult to focus on close objects.
An ability to focus on close objects in the anterior field of view may be helpful to select benthic prey items.
In particular, the Google Glass's inability to focus on close objects affected our sensitivity in reading test lines, particularly at lower concentrations.
In addition, some diurnal species have strongly elliptical pupils with often rostrally placed aphakic gaps, which supposedly enable them to focus on close objects in the anterior field of view, and may also allow for binocular vision [ 41].
Presbyopia is a visual condition in which the crystalline lens of the eye loses its flexibility, making focusing on close objects difficult [ 2].
To suit the needs for scanning skin, Marks moved the microcameras of the original gigapixel camera outward from the center to focus on closer objects and widen its field of view.
The idea was that if you wear glasses to allow you to see clearly in the distance, your eyeball tries to elongate itself when you focus on a close object in order to see it properly.
It's meant, he explained, to be a better solution to the problem of presbyopia, which is basically when your eyes refuse to focus on close-up objects.
The extent of your hyperopia influences your ability to focus on close-up objects, so the further away you have be to focus on something, to more pronounced you far-sightedness.[3].
