Number needed depends on the experiment

TOP APPLICATION AREAS

RESPONDENTS NEEDED

$99 to $50,000could have one!GREENLANDeveryone in That means

eye trackers in the world45,000There are at least

Medium0.5 degree

High-end0.1 degree

Low-end1.0 degree

MEASUREMENT PRECISION

Saccadicmovements

usually span 7 to 9 characters

along the line of text

Typically up to 11 inches in each direction for eye trackers to pick

up the eyes

≈ 95% of people can be tracked

with an eye tracker

MILLISECONDS 100-300

TYPICAL FIXATION DURATION LASTS

MOBILE

A C L O S E R

2 MILLION 107 MILLION 17 TIMES

A T E Y E T R A C K I N G

Eyes come in all shapes and sizes, but size does not matter

in eye tracking

RESOLUTIONThe eye has a resolution of 576 megapixels.Equivalent to 72x iPhone 6 resolution.

The world of eye tracking is fascinating and filled with advanced research, stunning discoveries and

the wonders of the human eye.

working parts light sensitive cells

Contains On average you blink

per minute

Composed of over

TheAverage Pupil is

2-4 MMin bright light to

4-8 MMin the dark

TheAverage Eye is.9 inches tall1 inch deep1 inch wide

L KSIZE DOESN’T MATTER!

Near-infrared light directed

towards pupil

Reflections in the cornea tracked by

camera

Know what people are looking at

(probably cats)

TYPES OF HARDWARE

1. 2. 3.

SACCADIC MOVEMENTS HEAD MOVEMENT TRACKABILITY

REMOTE

SAMPLINGRATE

Typical value range:

30-60Hz

Special researchequipment:

120-1200+ Hz

ACADEMIC & SCIENTIFIC

MARKETING PSYCHOLOGY MEDICAL

USABILITY PACKAGING PC & GAMING

HU

MAN

FACTORS & SIMULATION

Used in a wide variety of research

SPEEDPeak angular speed during a saccade is 900°/s.

That's 0.42 mph or 2x max speedof a Galapagos tortoise.

MUSCLES6 extraocular muscles control the eye movement.

DISTANCEThe farthest object visible to the human eye is the Andromeda Galaxy, 2.6 million light-years away.

X72

HOW EYE TRACKING WORKS

&

PRICE RANGE

THE EYE

6

Respondent positioned properly

Eyes need to be visible

Proper lighting

conditions

Keepdistractions at

a minimum

TIPS FOR GOOD DATA

t

Was this infographic an eye-opener?Take an even closer look at eye tracking:https://imotions.com/blog/eye-tracking

QUANTITATIVE: QUALITATIVE:1 or more30 is a general rule for statistical validity