This site uses cookies. By continuing to browse the site, you are agreeing to our use of cookies. More information about cookies is available in our privacy policy Got it

Blausen Menu
Search
Current language eng

All Topics

  • Anatomy & Physiology
  • Cancer
  • Cellular
  • Chemistry
  • Circulatory
  • Conditions
  • Digestive
  • Drug
  • Ear
  • Endocrine
  • Eye
  • Immune
  • Integumentary (Skin)
  • Muscular
  • Neurology
  • Orthopedic
  • Pediatric
  • Reproductive
  • Respiratory
  • Skeletal
  • Tests and Treatments
  • Urinary

Explore

  • 3D Body System

About Us

  • Blausen Medical
  • Products And Services
  • Contact Us
Select language
  • Arabic
  • Chinese
  • Chinese (Cantonese)
  • Danish
  • Dutch - The Netherlands
  • English (Great Britain)
  • French
  • German
  • Hungarian
  • Italian
  • Japanese
  • Korean
  • Norwegian
  • Portuguese - Brazil
  • Portuguese - Portugal
  • Romanian
  • Russian
  • Spanish
  • Spanish (Latin America)
  • Swedish
  • Turkish

Videos

 

Astigmatism

1036
Share
Topics:
  • Conditions
  • Eye
PDF:
  • View disclaimer
GoGoMeds

During normal vision, light first enters the eye through the cornea, then passes through the pupil and the lens where it is focused at a point on the retina at the back of the eye. Astigmatism is caused by a deformity of the eye in which the shape of the cornea is more oval and asymmetric than the normal round shape. This deformity causes light to focus on points in front of and/or behind the retina instead of on the retina itself, causing images to be blurred or distorted. People with astigmatism may also report frequent headaches or eyestrain. Astigmatism is a very common disorder, and it can occur with either nearsightedness or farsightedness. Blurred or distorted vision caused by astigmatism can be improved by wearing glasses or contact lenses.

Duration: 00:56

Published: 11/16/2015

Related videos

The Eye 00:15 00:15

The Eye

Topics: Anatomy & Physiology, Eye
Low Vision 01:33 01:33

Low Vision

Topics: Conditions, Eye
LASIK Eye Surgery 01:09 01:09

LASIK Eye Surgery

Topics: Eye, Tests and Treatments
0

Other videos

Overview of Down Syndrome 00:12 00:12

Overview of Down Syndrome

Topics: Anatomy & Physiology, Cellular, Conditions, Reproductive
Congenital Heart Problems: Ventricular Septal Defect 00:25 00:25

Congenital Heart Problems: Ventricular Septal Defect

Topics: Anatomy & Physiology, Circulatory, Conditions, Pediatric
Chromosomal Translocation 00:11 00:11

Chromosomal Translocation

Topics: Anatomy & Physiology, Cellular, Conditions
Hypoglycemia 00:19 00:19

Hypoglycemia

Topics: Anatomy & Physiology, Circulatory, Conditions, Endocrine
Hyperglycemia 00:19 00:19

Hyperglycemia

Topics: Anatomy & Physiology, Circulatory, Conditions, Endocrine
0
Filter by Topics:
  • All
  • Conditions
  • Eye
ADHD 01:20 01:20

ADHD

Attention deficit hyperactivity disorder, or ADHD, is a common neurobehavioral problem that affects children as well as some adults. Some research suggests that the cause of ADHD ...
AIDS 01:35 01:35

AIDS

White blood cells, which are produced in the bones, are a major component of the body's immune system. When an infectious organism such as a virus or bacteria enters the body, the ...
ALS 01:42 01:42

ALS

All voluntary movement in the body is controlled by the brain. Nerve cells in the brain, called upper motor neurons, initiate movement through the release of chemical signals call...
Abdominal Aneurysm 00:57 00:57

Abdominal Aneurysm

The aorta is the main artery of the circulatory system. Its function is to carry oxygen-rich blood from the heart to the rest of the body. It is divided into two main sections; the...
Achilles Tendon Tear 00:42 00:42

Achilles Tendon Tear

Tendons are bands of fibrous tissue that connect muscle to bone. The Achilles tendon is located where the calf muscle, or gastrocnemius, attaches to the heel bone, or calcaneus. T...
Acne 01:29 01:29

Acne

The skin contains many tiny hair follicles, or pores. Each pore contains a hair and a multi-lobed gland called a sebaceous gland. Sebaceous glands produce an oily substance called ...
See More
261
 
Blausen

Blausen Medical
Scientific and Medical Animations

Copyright ©2021 ALL RIGHTS RESERVED
Disclaimer
Privacy Policy

Explore:

  • 3D Body System

About Us:

  • Blausen Medical
  • Products And Services
  • Contact Us

We're social

Stay connected with all of the latest
on your favorite social media platform.

  • Facebook
  • Google plus
  • Twitter
  • Youtube
  • LinkedIn