Author: angela

Answering 11 Questions on Stunning Animal Eyes

Almost all animals have some form of visual structures for creating imaging from waves of light. Here are some facts about animal eyes.
Do you find eyes in all animals?
Most animals possess an optical structure that converts light waves into nerve impulses, resulting in imagery creation.
Things that animals can see?
Various animal species possess mechanisms to perceive color, light, distance, depth and other environmental variables.
Is the brain required in the eyes?
Yes, except for sea wasps. Despite lacking a brain, these sea wasps possess 24 eyes.
How sharp is the vision of a …

Safety Glasses for Your Eye Protection

Wearing safety glasses protects your eyes from injuries that can cause vision loss. Safety glasses offer a higher standard of impact resistance than regular eyeglasses. Protective eyewear has features such as thinner prescription safety lenses as well as two classifications of performance. Testing of frames for safety glasses and goggles is done with the same criteria. This includes frame tests for basic and high-impact applications.
Protective eyewear is essential in many occupations. Those working in high-risk jobs can benefit. Carpenters, machinists, and plumbers are among those working in these areas. Standards for safety …

Omega-3 and Your Eyes

Omega-3s are crucial for maintaining good health. Studies show that Omega-3s offer great benefits to your eyes. Intake of omega-3s helps protect adult eyes from macular degeneration, even glaucoma, and dry eye syndrome. Omega-3s are readily available in fish, maternal breast milk, and some infant formulas.
In a recent study, healthy infants who were put on omega-3 supplements showed better visual activity than their counterparts. Pregnant women should include omega-3 in their diet to ensure their infants’ vision is developed.
You can add two servings of fatty fish to your weekly diet as advised by the American Heart …

How to Whiten Your Eyes

Eye redness is caused by several factors. They include allergies, eye strain, sleepiness, viral and bacterial conjunctivitis, dry eye syndrome, and contact lenses use. Yellow eyes are caused by jaundice. Jaundice is the yellowing of the skin. This condition can be caused by health issues such as liver cirrhosis, malaria, pancreatitis, autoimmune diseases, and liver cancer. Sun exposure can also cause eye discoloration.
To make your eyes whiter, you should use eye drops or artificial tears. However, the true way to treat it is  to address the underlying problem. To alleviate eye allergies, you should avoid whatever triggers them. …

What You Should not do After Eye Dilation by Your Eye Doctor

After eye dilation, there are things that you should not do.
Take the following precautions after you have had your eyes dilated:

Avoid driving as your vision will be blurred and sensitive to light because of the eye drops. So, wear sunglasses and ask your loved one to drive you home.
Do not look directly into the sun. Too much light will make your eyes strain leading to headaches.
Avoid staring at digital screens as the blue light from electronic screens leads to digital eye strains.
Do not read letters in small font. Struggling to see small fonts will cause fatigue, eye strains, and …

Test Your Vision with 3 Different Eye Charts

What is an eye chart?
Used by eye doctors to measure the vision of a patient and compare it to the chart. The different types of eye charts include the Snellen eye chart, the tumbling E eye chart, and the Jaeger eye chart.
The Snellen eye chart
It was developed by Herman Snellen. It is a classic example containing 11 rows of capital letters which get smaller. When a patient is getting an eye exam, they are asked to find the smallest line of letters they can read and read it out loud. Your visual acuity is excellent if you can read letters at the bottom row.
“Tumbling E” eye chart
This test is a …

What to Expect in an Astigmatism Test

An astigmatism test is done during an all-inclusive eye exam by your doctor. Astigmatism symptoms include headaches, eye strain, and distorted vision.
To check for astigmatism, the tests below are performed:

Refraction: In an eye exam, there are two types of refraction. They are manual and automated refraction.
Visual Acuity Test: An eye chart is used to test your visual acuity with or without your current lenses. It determines how severe your astigmatism is.
Keratometry: It involves measuring your cornea curvature to perceive unequal curves in various meridians of the cornea. A Keratometer instrument …

Eye Exam Frequency

Professionals who specialize in the care of eyes recommend eye checks once between one to two years. It may depend on your age, use of corrective lenses, and risk factors. Although screening is done in schools, it’s not a substitute for comprehensive eye checkups that can point out the underlying causes of vision problems.
Children’s Eye Exam Frequency
Regular eye exams are essential for children to detect vision problems that may influence their learning. Professionals recommend a first eye check-up at 6 months, at age 3, and before joining grade one. Those without risk factors can have yearly exams until age 18, …