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FAQs on Vision & Eye Care

Why Does My Eyelid Begin To Twitch?

It is common if you have mild twitching of the eyelid. Though these involuntary contractions of eye muscles might be really annoying, they are mostly temporary and are absolutely harmless. These are often associated with stress and/or fatigue.

FAQs on Vision & Eye Care

How Can I Stop Twitching Of My Eyelid?

By massaging the eyelids gently and taking enough of rest you can stop or reduce twitching of eyelids. You will see twitching of eyelids disappear as you get enough of sleep. You also need to restrict the amount of caffeine that you take. It is always better to consult an ophthalmologist and go for the appropriate diagnosis and treatment for twitching of your eyelids.

Do I Need To Visit An Opthalmologist On A Regular Basis, Even If I Have Good Vision? Why Is It So?

Regardless of the physical health and your age, it is important to have a comprehensive eye examination so as to detect any eye problem at its early stages. It is essential for you to have an eye examination even if you may have got a 20/20 vision. The overall health of a person could also be determined by an eye examination. Your eyes are the only body parts where arteries and the veins can be viewed without requiring performing any surgery. Eye specialists can see any signs of heart stroke, cardiovascular disease, diabetes, multiple sclerosis, brain tumors, and many more, via an eye examination.

Moreover, an eye examination can determine if an individual with any kind of age-related macular degeneration, glaucoma, diabetic retinopathy, cataracts or retinitis pigmentosa is also suffering from low vision; which is also a condition that is associated with the eye diseases that are related to your age.

What Does 20/20 Vision Mean?

20/20 eye vision is one term that is used for expressing normal visual acuity or the clarity or sharpness of the vision that is measured at a distance of 20 feet. In case an individual has 20/20 vision, the person can clearly see at a distance of 20 feet what should be normally seen at that distance. In case one has 20/100 vision, the person must be as close as 20 feet to see what an individual with normal vision can see at a distance of 100 feet.

It must be noted that 20/20 vision does not really mean perfect vision always. It only indicates the clarity and sharpness of the vision at a distance. There are some other crucial vision skills, such as, peripheral awareness or the side vision, eye coordination, focusing ability, color vision and depth perception that contribute to a person’s overall visual ability.

How Common Is It To Get Squint For Adults?

Squint is a condition where the eyeballs of the affected person are not properly aligned and point in two different directions. When it actually happens in adults, it is known as adult squints. Adult squints are of 3 types; namely paralytic, non paralytic, and restrictive squints. Nearly 4 in every 100 adults suffer from this condition.

How Are Squints In Adult Treated?

Squints in adults can be treated by several methods which include eye muscle exercises, glasses that contain prisms and eye muscle surgery.

The eye muscle exercises actually assist in treating a type of squints in adults where the eyes cannot properly align themselves for reading; and this condition is known as convergence insufficiency.

The eye glasses containing prisms can also be used for treating adult squints. It can actually correct mild double vision that is associated with adult squints. However, these eye glasses cannot correct extremely severe cases of double vision. Eye muscle surgery is in fact the most common treatment for squints. Eye specialist can loosen, tighten or reposition the selected eye muscles surgically in order to rebalance or realign the eyes so as to work together.

What Does A Digital Eye Strain Mean?

A lot of people feel discomfort after looking at a digital screen for a long period of time may be more than 2 hours continuously. This condition is called as a Digital eye strain. Many adults are known to experience eye strain, headaches, dry eyes, blurred vision, and neck or shoulder pain after using the digital screen for a long time.

What Are The Treatment Options Available To Relieve Symptoms Of A Digital Eye Strain?

Eyewear with specialized lenses that feature the abilities of eye strain-reducing, could work as a nice treatment option to relieve symptoms of digital eye strain. Apart from this, by making some simple changes in your usage of regular digital device can also help you relieve certain symptoms that you might be experiencing; which include overhead lighting for eliminating screen glare, positioning self at a distance of an arm length from your screen, continuously taking short breaks from staring at the screens, and increasing the text size of your digital devices for better defining the content on the digital screen.

What Damage Can Be Caused To My Eyes By The Ultraviolet Rays?

Ultraviolet rays or the UV rays that are emitted by the Sun, are in three forms, namely the UVA, UVB and the UVC. Though UVC is absorbed by the atmosphere of the Earth, the UVB radiation of the Sun is only blocked partially, while the UVA radiation is absolutely not blocked by the Earth’s atmosphere and it can burn the eyes and the skin.

As per a survey conducted by The Vision Council, it is reported that adults in America are experiencing symptoms such as eye irritation, trouble seeing properly, wrinkles around their eyes, sunburn of the eye and the eyelids, red and swollen eyes, and in certain cases, cancer on or around their eyes; after prolonged exposure to the UV rays.

Do I Need To Wear The UV Protective Eyewear Only During Summers?

According to the Vision Council, it is stated that everyone must wear UV protective eyewear, whenever they are outdoors during the day time; irrespective of the weather or the season. This is because the UV radiations are present always. Children as well as the adults must go for a comprehensive annual eye examination; because an eye specialist can make appropriate recommendations regarding the UV-protective eyewear which is tailored to a person’s vision as well as lifestyle needs.

What Is Low Vision?

Low vision is the term that describes a level of your vision below normal, i.e. 20/70 or even worse; that cannot be corrected by using conventional glasses. It must however, be made clear that low vision is not exactly the same as blindness. Individuals with low vision can make use of their sight. But, low vision might interfere with your performance of daily activities, like driving or reading.

What Does Visual Impairment Mean?

One mat be termed as visually impaired if neither of the eyes can have a better than 20/60 vision without any improvement from contact lenses or glasses. Apart from this, poor vision in night, double vision, limited side vision, and loss of vision in any one eye may also be determined as visual impairment.

Can I Make Use Of My Eyeglass Prescription To Purchase Over-The-Counter Contact Lens?

No, you cannot do that. This is because your eyeglass prescription does not provide the various specifications for your lens diameter, its thickness and the base curve. You must have a new prescription that must be prescribed by an eye specialist so as to avoid any adverse reactions.

I Am 42; and Is Finding It Difficult To Read Clearly. Why Is It So?

The ability to focus on the nearer objects reduces steadily as we age, and this condition is referred to as Presbyopia. It is a natural aging of the eye lens and it occurs naturally at or above an age of 40, when glasses are prescribed by the eye doctor for correcting the condition.

I And My Wife Both Require Wearing Glasses. Will My Child Likely To Inherit Our Need For Wearing Glasses?

Possibly yes! If both biological parents wear glasses, it is very much possible that their children are likely to require the glasses as well.

I Have “Spots” Around My Eyes Floating. Are They Harmful?

Spots and floaters around eyes are usually harmless. However, you must see your eye care doctor in case you notice them and know more about them.

Is LASIK Safe?

LASIK, or a laser procedure is very much popular refractive surgery that is performed in the US today. However, for any laser procedure that is undergone on the eye, there is obviously some suitability criteria, which needs to be met and called Corneal topography scan. In case the critera are properly met, the LASIK procedure is absolutely safe.

Can I Have LASIK After Cataract Surgery?

There is an advance type of cataract surgery known as the Refractive cataract surgery. There are also multifocal intraocular lenses, or the IOL that can be used for correcting near vision issues that are caused by presbyopia, thus reducing your requirement for even reading glasses. Usually for these premium IOLs, the cataract surgeon may also recommend laser cataract surgery for best visual outcomes.

Sometimes, however, minor refractive errors may still remain even after refractive cataract surgery. In such cases, LASIK can be perfomed; but only after several weeks or some months after the surgery, so as to improve the eyesight further without glasses. It is important for you to consult with your eye specialist and cataract surgeon for more details about the same.

My Power Is -10 in Both My Eyes. I Was Told I am Not Suitable For LASIK. What Could Be The Permanent Solution?

Implantable lenses Imported, India can be a better alternative to LASIK. This technology is even approved by the FDA and as long as suitability criteria are well met, this technology is absolutely safe. The best part is this technique is that it is reversible and it takes just 15 minutes per each eye.

Who Can Get Glaucoma?

The most common type of glaucoma is known to affect about 2 in every 100 individuals who are above 40 years of age. Increasing age along with a family history of the condition, are some of the risk factors for primary open-angle glaucoma are, a family history of glaucoma and an increasing age. It is essential for any individual above years of age, to have an eye checkup for glaucoma in every two years.

Will I Go Blind From Glaucoma?

Glaucoma can cause permanent vision loss and in case it is left untreated it leads to blindness. However, in case it is detected at an early stage, glaucoma might often be controlled with very little or no further loss of vision.

I Am Diagnosed With Glaucoma. Will My Vision Be Restored After Undergoing The Treatment?

It is unfortunate to say that any loss of vision because of glaucoma cannot be restored. This is the reason why regular preventive eye exam are so much important.

Why Do I Have To Have Retinal Digital Imaging Done?

Some conditions, like glaucoma a, macular degeneration and diabetes are quite difficult to diagnose and they need careful monitoring over the time so as to assess for any subtle changes. Retinal digital imaging is done to have the retinal images that are important to accurately or appropriately document the size as well as the degree of any unusual findings in the eyes, like the retinal spots or retinal nevi caused due to macular degeneration.


  1. American Academy of Ophthalmology – Eye Twitching
  2. Mayo Clinic – Digital Eye Strain
  3. Glaucoma Research Foundation – Glaucoma Overview
  4. National Eye Institute – Glaucoma Facts and Stats
  5. American Optometric Association – Comprehensive Eye Examinations
  6. American Academy of Ophthalmology – UV Radiation and Your Eyes
  7. WebMD – LASIK Eye Surgery
  8. All About Vision – Presbyopia
  9. American Academy of Ophthalmology – Retinal Imaging

Also Read:

Pramod Kerkar, M.D., FFARCSI, DA
Pramod Kerkar, M.D., FFARCSI, DA
Written, Edited or Reviewed By: Pramod Kerkar, M.D., FFARCSI, DA Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:August 11, 2023

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