How To: Use optical refractors to test vision with plus lenses

If you are an optometry or opthalmology student, this is the perfect how-to video for you. Watch these these seven videos and learn how to test a patients vision with a refracting machine using plus lenses. It’s a little difficult to describe the controls used for refracting because every instrument is set up differently. If possible, refer to a manual for the specific refracting instrument that you’ll be using. This vision tutorial will walk you through all the parts of a optical refracting ...

How To: Perform a ophthalmoscopic exam of a patient's eye

If you're a first year medical student, this is one of the skills you will be learning when training to become a doctor or physician— the ophthalmoscopic exam, which is an instrument for visually inspecting the retina and other parts of the human eye. Every doctor will carry an ophthalmoscope around in his/her pocket daily, so it's necessary that this would be one the first things you should learn in medical school. See how to examine the undilated eye, in five steps.

How To: Think You Might Be Tone Deaf? This Online Musical Test Will Diagnose You in Minutes

If you've ever listened to your loved ones sing in the shower or watched a few minutes of American Idol, you would think that the majority of the population is tone deaf. In reality, only about 4 percent of the world's population suffers from tone deafness, or the inability to distinguish between different pitches. Che Guerava, Charles Darwin, and Ulysses S. Grant were all tone deaf.

How To: The Trick to Hearing Your Friends Better at Loud Clubs & Concerts (And Having Them Hear You)

You may not notice it when you're intoxicated and banging your head to the music, but when you're at a club or concert, your ears are getting seriously damaged. The noise level is usually above most people's pain threshold for sound, which begins around 120 to 140 decibels. At that level, it only takes a few minutes to damage your hearing. For me, there's something even worse than long-term hearing loss in a loud environment—not being able to hear or talk to your friends.

How To: Relax your tired eyes

Looking at videos can produce eyestrain. Staring at a computer all day can produce eyestrain. Our eyes can become tired. There is hope! Eye fitness relaxation practices are helping millions. They are simple to incorporate and easy to learn. In this video Dr. Roberto Kaplan introduces you to the world of relaxation for your eyes. Enjoy.

How To: Use an optical refractor to test vision

If you are an optometry or opthalmology student, this is the perfect how-to video for you. Watch these these seven videos and learn how to test a patients vision with a refracting machine. It’s a little difficult to describe the controls used for refracting because every instrument is set up differently. If possible, refer to a manual for the specific refracting instrument that you’ll be using. This vision tutorial will walk you through all the parts of a optical refracting instrument, sphere...

How To: Measure intraocular pressure to diagnose glaucoma with a Diaton Tonometer

Attention all optometrists and ophthalmologists— there's a new tool in town, and it's called the Diaton Tonometer. Diaton's tonometer is an easy-to-use and accurate instrument for measuring intraocular pressure (IOP) through the eyelid, which makes it simple to diagnose patients with glaucoma during the early stages, so that immediate treatment and medicines can be administered. This transpalpebral tonometer is handheld, pen-like and no-contact, which provides absolutely no risk of infection....

How To: Use a Diaton Tonometer to measure intraocular pressure for glaucoma diagnosis

This video is training for the Diaton Tonometer, a great new instrument for optometrists and ophthalmologists to diagnose glaucoma by measuring intraocular pressure (IOP) through the eyelid. This method of measurement makes it easy to diagnose patients with glaucoma during the early stages, so that immediate treatment and medicines can be administered. There's no anaesthetic drops to put in the eyes, and this is a easy-to-use, handheld, pen-like and no-contact transpalpebral tonometer, which ...

How To: Treat hearing loss without a loud-noise cause

If there's a sudden hearing loss without an apparent loud noise cause, an ear inflammation may be the culprit. Doctor Katz, Surgeon Director of Manhattan Eye, Ear & Throat Hospital, explains the varying causes of hearing loss such as inflammation, bacteria, and a virus, and the corresponding treatments for each cause. Watch this video tutorial to learn how a sudden hearing loss without a loud noise cause is treated.

How To: Improve reading for people with low vision issues

Low vision therapist Diane Michels share tips on how to improve what you can see for people with low vision challenges. Ideas like improving lighting by using lighter lampshades or dusting light bulbs, shields for your computer monitor to reduce glare, and contrasting colors for up close work are among the ideas shared. Improve reading for people with low vision issues.

How To: Prevent the onset of cataracts

What is a cataract? A cataract is the clouding of that internal lens of the eye which is normally clear. That internal lens helps focus light as it comes through the pupil that when a lens starts becoming a little cloudy, patients sometimes complain that their vision seems a little foggy. There are certain risk behaviors that you can avoid to reduce the risk of getting cataracts. Get professional tips and advice on cataracts in this medical how-to video.

How To: Prevent eye strain & headaches when at the computer

In this video series, Susan Bellone, an expert in biofeedback, teaches how to prevent eye strain and headaches when working at a computer. Learn how to rest your eyes, how to take commercial breaks, how to stretch arms, how to roll shoulders, how to walk around and other stress relieving techniques. Don't let your job get the best of you. Learn how to breaks and stretch in order to minimize impact and maximize efficiency.

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