Nearsightedness

What is Nearsightedness?

Myopia (, muōpia, from myein "to shut (like a mole - mys/mus in Greek)" – ops (gen. opos) "eye, look, sight"), literally meaning "trying to see like a mole" (mys/mus), commonly known as near-sightedness (American English) and short-sightedness (British English), is a condition of the eye where the light that comes in does not directly focus on the retina but in front of it, causing the image that one sees when looking at a distant object to be out of focus, but in focus when looking at a close object.

When used colloquially, 'myopia' can also refer to a view on or way of thinking about something which is—by extension of the medical definition—hyper-focused and fails to include a larger context beyond the focus.

Eye care professionals most commonly correct myopia through the use of corrective lenses, such as glasses or contact lenses. It may also be corrected by refractive surgery, though there are cases of associated side effects. The corrective lenses have a negative optical power (i.e. have a net concave effect) which compensates for the excessive positive diopters of the myopic eye. Negative diopters are generally used to describe the severity of the myopia, as this is the value of the lens to correct the eye. High-degree myopia, or severe myopia, is defined as -6 diopters or worse.

The opposite of myopia is hyperopia (long-sightedness).

Questions and answers on "Nearsightedness"

hi doctor ... my son has -4 and -4.5 myopia and he's only 5 years old. its his first eye examination this week and no earlier signs. we took him to...

doctor1 MD

Dear XXXXXXX
Thanks for the query.
Your son has got myopia (nearsightedness) in both eyes. The exact causes for myopia are not known but heredity...

Read Full Thread   Ask a Doctor Now

i have nearsightedness and astigmatism and have been noticing some changes in my vision over the past two months, most notably the appearance of a...

doctor1 MD

Hello,

Thanks for posting your query.

Appearance of halo and glare is commonly seen with nearsightedness. Using anti glare glasses helps in most...

Read Full Thread   Ask a Doctor Now

Hello doctor one of my 26 year old friend has glass number as negative 3 he has problem for long distance sightis it very serious Hello doctor, one...

doctor1 MD

Hi Amruta, Welcome to HealthcareMagic Forum.
Your friend is suffering from Nearsightedness which in Medical Parlance called as Myopia. It is a...

Read Full Thread   Ask a Doctor Now

Recent questions on  Nearsightedness

doctor1 MD

My optometrist just looked at my eyes and told me I had attentuated vessels.. I am 59 years old and very nearsighted -10.50 and - 7.60 .. My retina...

doctor1 MD

HI, My Son is 3.5 years old, he got cylindrical eye power -3.5 in both eyes & spherical zero. I took him for routing eye check up & shocked by this...

doctor1 MD

Kindly help me under stand this eye sight prescrition in layman language(age 26): How severe is this? If laser treatment possible....

doctor1 MD

I was diagnosed for nearsightedness & have eye glasses. I was told by dr. that I should wear them when I needed it. I never had to wear my glasses...

doctor1 MD

I am considering LASIK surgery to correct a nearsightedness/astigmatism. I have researched LASIK and come up with the following most common side...

doctor1 MD

hi.. i wanted to know if the eye exercises are helpful in vision correction? and what does ayurveda suggest people to do when they suffer from myopia?

Ask Question
Doctor Image
MD

Hi, I am Dr. Andrew Rynne (Family Physician). I will be guiding you through the process. Please write your question below.

Related Drugs/Medications
Related Treatment/Therapy
Related Lab Tests
Related Medical Topics