In The Blink of an Eye

Why aren’t people bothered by interruptions to vision caused by blinking?

answer choices

• The brain is designed to ignore very brief moments of darkness

• Blinking relaxes people's eyes

• Blinking removes dust that lands on the eyes

• the brain can process information even when people's eyes are closed

. The section “Think Before You Blink” is organized in a way that shows –

• How blinking is affected by the use of different electronic devices

• The various factors associated with blinking rates

• The different benefits babies and adults get from blinking

• Which parts of the eye are responsible for blinking

. Based on the labels in the diagram of the human eye, the reader can conclude that –

• More muscles are used to move the eye than to blink

• Eye muscles are stronger than any other muscles in the body

• Blinking provides several benefits to the eyeball

• Blinking happens in a way that does not affect a person’s visions

. Read this sentence from paragraph 1.

Blinking usually occurs automatically, like your heartbeat.

Which statement from the article supports the idea in this sentence?

• That’s when the muscles that control eyelids eventually lose some of their tone and ability to move.

• You rarely notice this type of blink, which is incredibly fast.

• Without this repeated lubrication, your eyeballs begin to dry, and your eyelids feel sticky.

• Each time you blink, your eye closes for about three-tenths of a second.

Which sentence from the article helps explain why staring at a computer screen affects blink rates?

• Then blink rates decrease as people move into older adulthood.

• After 30 seconds you probably struggle to resist closing and then reopening your eyes.

• You’ll blink less when you’re concentrating on something.

• When you’re thinking but not actually looking at something, your blink rate will also decrease.