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Vision

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.

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Related Experiment Video

Updated: May 10, 2026

How to Obtain Reliable Visual Event-related Potentials in Newborns

How to Obtain Reliable Visual Event-related Potentials in Newborns

Published on: October 24, 2019

Visual function in preterm infants: visualizing the brain to improve prognosis.

Vann Chau¹, Margot J Taylor, Steven P Miller

¹Department of Pediatrics (Neurology), University of British Columbia, Vancouver, Canada.

Documenta Ophthalmologica. Advances in Ophthalmology

|June 14, 2013

Summary

This summary is machine-generated.

Very preterm infants in the neonatal intensive care unit (NICU) face high risks for visual dysfunction due to early birth during critical brain development. Understanding these risks can lead to earlier interventions and improved NICU care.

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Last Updated: May 10, 2026

How to Obtain Reliable Visual Event-related Potentials in Newborns

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Published on: October 24, 2019

Preterm EEG: A Multimodal Neurophysiological Protocol

Preterm EEG: A Multimodal Neurophysiological Protocol

Published on: February 18, 2012

A Method to Quantify Visual Information Processing in Children Using Eye Tracking

A Method to Quantify Visual Information Processing in Children Using Eye Tracking

Published on: July 9, 2016

Area of Science:

Neonatal neuroscience
Developmental ophthalmology
Pediatric neuroimaging

Background:

The third trimester is crucial for visual system development.
Very preterm infants in the NICU experience events impacting brain and visual development.
This population is at high risk for long-term visual dysfunction.

Purpose of the Study:

To understand the etiology and timing of visual impairment in very preterm infants.
To identify factors impacting early brain and visual system development.
To inform interventions for reducing visual dysfunction.

Main Methods:

Utilizing advanced neuroimaging techniques.
Observing early brain and visual system development in vulnerable infants.
Analyzing the impact of clinical course and neonatal intensive care unit (NICU) events.

Main Results:

Early birth during rapid neurodevelopment increases risk.
Various events in the NICU significantly impact visual system development.
Neuroimaging reveals critical insights into developmental processes.

Conclusions:

Understanding the causes of visual impairment is key for early recognition.
Timely interventions can mitigate long-term visual dysfunction.
Optimizing NICU practices can reduce visual impairment incidence in preterm infants.