Wednesday, June 26, 2013

is there any way you can get rid of your contacts and glasses and still see with out laser eye surgrey?

laser eye surgery 3d
 on ... nuovi laser che curano e misurano in 3D | Solleviamoci's Weblog
laser eye surgery 3d image




Ashley R


i have been wearing glasses and contact for a long timen i whould do anything to get rid or them


Answer
I tried a vision improvement program I found on the internet. It produced results but they were not entirely the results I wanted. I am mildly farsighted with a moderate degree of astigmatism in my left eye. I wanted to try and correct the astigmatism. I did the exercises for months and corrected my right eye, lowered the spherical portion of the prescription in my left eye, and the astigmatism got a little worse.

The program also said it would help with vision in low light situations, light sensitivity and a variety of other things which for the most part it did. I suprised my mother and grandmother that I could easily read the text in a book with only a dim nightlight on without glasses or contacts. It takes lots of dedication to completing the exercises every day, but I feel it was worth it. As I see it you are no worse off for trying than you were before.

I still have issues with distance vision in my left eye and wear one contact lens. My glasses also only have a prescription in one eye.

I also want to add that I had strabismus surgery as a child so the muscles in my eyes still do not function correctly. I was not able to do the exercises in the program that required stereoscopic (3D) vision very well and that may have contributed to not acheiving the full desired results.

Good Luck!

I need some health questions answered!?




urmomsmell


Can you please answer as many of these questions as you know keeping it truthful and scientific please. THANKS!


* Why do some people need glasses? How do glasses improve vision?
* What causes nearsightedness? How is it different from farsightedness?
* How does corrective laser eye surgery work? How does it improve vision? What risks are involved?
* Why are some people colorblind?
* How do optical illusions work? How do they âfoolâ your brain?
* How do red-and-blue â3D glassesâ work?
* How do sounds reach the brain?
* Why do some sounds have a low pitch, while others have a high pitch?
* Why are animals such as dogs able to hear sounds that humans cannot?
* When someone is âhard of hearing,â what are some possible causes?
* Why do certain smells instantly evoke specific memories or feelings?
* How are the senses of smell and taste related?
* If you hold your nose while eating, how are tastes affected? Why?
* How do taste buds work? How does the tongue recognize different tastes, such as the bitterness of a lemon or the sweetness of sugar?
* Which taste cannot be detected by the tip of your tongue: bitter, sour, salty, or sweet? Why?
* How does your hand tell the difference between hot and cold surfaces?
* How do blind people use braille to read?



Answer
Refractive errors occur when the eye is not able to correctly focus images on the retina. The result is blurred vision, which is sometimes so severe that it creates functional blindness for affected individuals.

The three most common refractive errors are:

Myopia (nearsightedness) â this is difficulty in seeing distant objects clearly.
Hyperopia also known as Hypermetropia (farsightedness) â this is difficulty is seeing close objects clearly.
Astigmatism - This is distorted vision resulting from an irregularly curved cornea.


For laser surgery or lasik see this site health.howstuffworks.com/lasik3


for colour blindness see this site
en.wikipedia.org/wiki/Color_blindness



optical illusions
http://www.eyetricks.com/illusions.htm

How 3d glass works
http://science.howstuffworks.com/3-d-glasses.htm

how sound reaches the brain
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1044837

low and high pitch of sound
http://www.glenbrook.k12.il.us/gbssci/Phys/Class/sound/u11l2a.html

Sounds that humans cant hear and why
http://omp.gso.uri.edu/dosits/science/measurng/3.htm

Hearing loss
Types of Hearing Loss
There are a few different types of hearing loss: conductive, sensory, mixed (conductive and sensory combined), and neural.

Conductive (say: kun-duk-tiv) hearing loss. This happens when there is a problem with a part of the outer or middle ear. Most kids with conductive hearing loss have a mild hearing loss and it is usually temporary because in most cases medical treatment can help.
Sensory (say: sen-suh-ree) hearing loss. This happens when the cochlea is not working correctly because the tiny hair cells are damaged or destroyed. Depending on the loss, a kid may be able to hear most sounds (although they would be muffled); may be able to hear in quiet but not in noise; only some sounds; or no sounds at all. Sensory hearing impairment is almost always permanent and a kid's ability to talk normally may be affected.
Neural (say: nur-ul) hearing loss. This happens when there is a problem with the connection from the cochlea to the brain. Neural means related to nerve, so neural hearing loss means the nerve that carries the messages from the cochlea to the brain is damaged.
What Causes Hearing Loss?
Hearing loss can happen because a person was born with parts of the ear that didn't form correctly and don't work well. Other problems can happen later because of an injury or illness, including:

middle ear fluid
serious infections, such as meningitis
head injury
listening to very loud music, especially through headphones
repeated exposure to loud sounds, such as machinery
see this site
kidshealth.org/kid/health_problems/sight/hearing_impairment.

Nostalgic smells -
http://www.bbc.co.uk/science/humanbody/mind/articles/intelligenceandmemory/nostalgicsmells.shtml

Relation of smell and taste
http://serendip.brynmawr.edu/exchange/node/1575

How taste buds work
http://www.wisegeek.com/how-do-taste-buds-work.htm

Tip of tongue and taste recognition - this website says that its a myth that there are taste zones onthe tongue

http://www.livescience.com/health/060829_bad_tongue.html

How we sense hot and cold......
http://www.myuniversalfacts.com/2006/06/skin-sense-of-touch-how-we-feel-things.html

Braille how it works

Reading and Writing Braille
People read Braille by moving their fingertips from left to right across the lines of dots. When writing Braille, people move from right to left instead, physically pressing the dots into the paper so that they show up on the other side. There are many methods used to write Braille, including: Physically pressing each dot into paper using a handheld stylus to make the impressions and a slate to hold the paper
A Braille writer, which has one key for each of the six dots in a Braille cell A full QWERTY keyboard attached to a Braille printer
Learning to use these tools and to read Braille is a lot like learning to read and write print. Printed letters and Braille cells are both symbols for pieces of language. The first step is to learn each of these symbols and what they mean. The next is to learn to recognize the patterns that the letters form. This eventually leads to the comprehension of words, sentences and paragraphs.

Hope that will answer all your queries . please post more questions if some thing is left out .
thanks
Geemon




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