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Dr. Praveen Krishna

Ophthalmologist, Chennai

220 at clinic
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Dr. Praveen Krishna Ophthalmologist, Chennai
220 at clinic
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I'm dedicated to providing optimal health care in a relaxed environment where I treat every patients as if they were my own family....more
I'm dedicated to providing optimal health care in a relaxed environment where I treat every patients as if they were my own family.
More about Dr. Praveen Krishna
Dr. Praveen Krishna is one of the best Ophthalmologists in T.Nagar, Chennai. He is currently practising at Radhatri Nethralaya in T.Nagar, Chennai. Don’t wait in a queue, book an instant appointment online with Dr. Praveen Krishna on Lybrate.com.

Lybrate.com has an excellent community of Ophthalmologists in India. You will find Ophthalmologists with more than 42 years of experience on Lybrate.com. You can find Ophthalmologists online in Chennai and from across India. View the profile of medical specialists and their reviews from other patients to make an informed decision.

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Radhatri Nethralaya

12,T Nagar. Landmark: Behind Hindi Prachar Sabha Street, ChennaiChennai Get Directions
220 at clinic
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I have some problem with my eye. I can not see in night. What is the reason for that?

DHMS (Diploma in Homeopathic Medicine and Surgery)
Homeopath, Ludhiana
I have some problem with my eye. I can not see in night. What is the reason for that?
This condition is called Night blindnes-------Night blindness is due to a disorder of the cells in the retina that are responsible for vision in dim light. It has many causes, including:--------- •Short-sightedness----------- •Glaucoma medications that work by constricting the pupil----------- •Cataracts-------------- •Retinitis pigmentosa----------------- •Vitamin A deficiency-------------------- Treatment for night blindness will depend upon its cause. Treatment may be as simple as a new prescription for your glasses or switching glaucoma medications, or it may require surgery in cases of cataracts---------------------- Dietary Management For Night Blindness--------------------Vitamins A, C and E are potent antioxidants which slow down age related macular degeneration and help maintain healthy tissues and cells in the eyes. Vitamins C and E may also inhibit the development or progression of cataracts. Lutein and zeaxanthin are two antioxidants called carotenoids, which help in neutralizing free radicals and maintaining eye health.------------------------
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I am 20 years old student. There was so many pimples had on my face but now it appears little bit. Due to having pimples, it has given me the small hole somewhere. My head is totally clean but both of the face side are affected by these holes. Cause of this, I shy in front of anyone. Help me.

DDV, MBBS
Dermatologist, Mumbai
I am 20 years old student. There was so many pimples had on my face but now it appears little bit. Due to having pimp...
Special trts like peels and micromesotherapy will help improve your skin. Pl get an evaluation done from a dermatologist.
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I have a problem of eyes. Sometimes there is a sudden pain in my right eye. N it becomes dry. Please help me to resolve this problem.

BHMS
Homeopath, Faridabad
I have a problem of eyes. Sometimes there is a sudden pain in my right eye. N it becomes dry. Please help me to resol...
Hello, use cmd2 eye drops, 2 drop in each eye twice daily. If do not feel better after 7 days then consult an ophthalmologist if do not get better.
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I have myopia. And the number of my lens is constantly increasing with age. What steps should I take to improve my eyesight?

Fellowship In Comprehensive Ophthalmology, DOMS
Ophthalmologist, Sangrur
I have myopia. And the number of my lens is constantly increasing with age. What steps should I take to improve my ey...
There is no medication or food for improving eyesight or to get rid of glasses. If not interested in glasses then you can try a. Contact lens b. Lasik laser as your age is now 17 years so your number will not increase much now whether you wear glasses or not as number becomes stable at age of 18-20 yrs. Having said that I advise you to eat balanced diet including green vegetables and seasonal fruits for keeping eyes and body healthy. As you are not comfortable with contact lens then go for lasik. Lasik is a very easy and painless procedure. If you want to get rid of glasses then go for lasik.
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Myopia - Symptoms, Types, Treatment And More!

MBBS
Internal Medicine Specialist, Delhi
Myopia - Symptoms, Types, Treatment And More!

Myopia:

Myopia, also known as nearsightedness is a prevalent refractive disorder of the human eye, i.e. a disorder related to the abnormalities in the shape and size of the eyeball (or other parts of the eye), due to which the eye is not able to correctly focus light on the retina. 

In this condition, people are not able to see clearly objects that are far but can see close. Those having myopia usually find it difficult to watch TV or read the blackboard in school. 

Symptoms 

The most apparent symptom is that distant objects look blurred. Apart from this, some people may also have: 

• Squinting 

Headaches 

• Eye strain 

Fatigue while driving or during sports activities 

• Difficulty in reading road signs or blackboard in schools (for children with myopia)

 Causes: 

People with myopia have either extra-long eyeballs or their cornea is more curved due to which the light rays do not bend correctly into the eye, focusing in front of the retina, which is light-sensitive, instead of focusing directly on the retina, thus leading to blurred vision. 

Myopia can be inherited in families and its symptoms start appearing in childhood. It may improve or worsen with age if left untreated. 

While there is no proper evidence of whether myopia is a inheritable disease, but chances are that children whose parents are nearsighted, either one or both, may develop myopia.  

In fact, most of the times, the development of myopia in a person depends on how much care he/she takes of his/her eyes. People who work long hours at a computer, do extensive reading, or perform intense visual activities have greater chances of developing myopia. 

Usually, myopia/nearsightedness starts during childhood and gradually worsens around the age of 20. This doesn’t mean that myopia can’t occur in adults. In fact, it can also develop in adults because of eye stress or due to underlying diseases like diabetes

Complications/Types of Myopia 

Myopia can occur in varying degrees depending on: 

• the length of the eyeball, 

• how curved the cornea is, and 

• how strong the eye lens are. 

An eye test by the optometrist (optician) will show how much focusing power your eye has. Optometrists use Diopters to measure the focusing power of eyes. This shows how strong a lens needs to be to produce focused vision.  

It is generally written as “-5.00 dioptres (D)”. A minus sign on your glasses or contact lens prescription shows that you have myopia. A higher number means you have greater degree of near sightedness. Lens powers up to -3.00 dioptres (D) come under mild myopia. 

• Powers of -3.00 to -6.00D are considered moderate  

• Over and above -6.00D is taken as high myopia. 

Generally, people have myopia below -6.00D, but sometimes there may be cases of people having higher levels of myopia. The degree of their myopia can decide if there are further complications related to their eyes. People with myopia of up to -6.00D can easily deal with it with help of glasses or contact lenses, and they do not face further problems with their eyes. This is referred to as simple myopia. 

 High Myopia

In people with high myopia of more than -6.0 diopters or more, there is the risk of retina being detached. Retina is the tissue present at the back of the eye that sends image signals to the brain when light rays fall on it. If it is detached, it will be torn away from the choroid, the tissue lying under it. Retina gets its oxygen supply and other nutrients from the choroid. 

People with high myopia have the risk of developing cataract and glaucoma diseases. Cataract is the darkening of eye’s lens. Glaucoma is a set of diseases that impair the optic nerve, which transmits signs from the retina to the brain. Any of these conditions can lead to loss of sight. 

 Degenerative or pathological myopia  

People having higher than -6.00D myopia are at risk of few eye conditions that require more extensive treatment rather than correcting it with just contact lenses or glasses. This is called degenerative or pathological myopia, which is a rare condition. 

In this condition, the eyeball becomes excessively long that impairs the proper functioning of the retina, the optic nerve, the choroid, and other components of the eyes.  

Symptoms of degenerative myopia first emerge in childhood and gradually worsen once adolescence and adulthood is reached. There is no treatment to stop the elongation of the eye; but other complications like retinal detachment, macular edema (which happens due to building up of fluid in the center of the retina), and glaucoma can be corrected. 

Diagnosis/Treatment 

An eye test by an optometrist can detect if you have myopia. In general cases, contacts lenses, glasses or refractive surgery can easily treat your myopic condition. 

The prescription glasses or lenses are meant to support the eye in focusing light on your retina. That corrects your vision. 

Nowadays, people opt for eye surgery to correct their as they do not want to wear glasses or contact lenses. Common procedures for treatment of myopia are: 

• PRK (Photorefractive keratectomy): In this procedure, a laser is used to shape the mid layer of the cornea of the eye. This helps to flatten/correct the cornea’s curve which was preventing light rays to focus on the retina. After the correction of the cornea curve, the light rays can focus directly on the retina thus producing accurate images. 

LASIK surgery: This is a popular procedure and most preferred surgery for myopia. In this procedure, a laser is used to make a thin flap on the top of the cornea. The cornea is then shaped with another laser and the flap is brought back into its position. 

• Orthokeratology: This is a non-surgical method in which a person is made to wear specially designed Rigid Gas Permeable (RGP) or gas permeable contact lenses during the night. These lenses reshape the cornea while sleeping. Once the lenses are removed in the morning, the cornea retains the new shape for a temporary period, and the person is able to see clearly during the day without the help of any eyeglasses or corrective lenses. Orthokeratology also known as corneal refractive therapy (CRT) is effective only for improving mild to moderate levels of myopia for a temporary period. These procedures are used as alternatives to surgery for those persons who are not fit for LASIK or any other refractive surgery due to other health conditions. 

• Phakic intraocular lenses (IOLs) are another exclusive alternative for people who have high myopia and whose corneas, being very thin, do not permit LASIK and PRK surgeries. In this condition, Phakic lenses are surgically inserted into the eye to correct the focus of light on the retina. 

 Risk Factors 

Myopia is usually diagnosed around the ages of 8 to 12 (as per the National Eye Institute). At this age, the eyes are in the growth stage and the shape of the eyes may also change. A person diagnosed with myopia in childhood may remain nearsighted till adulthood.  Other people with diseases like diabetes may also become nearsighted at later stages. 

Nearsightedness often results in visual stress as a risk factor. If a person does extensive reading or uses laptops for long hours, he/she may suffer from eye strain. 

Nearsightedness or myopia can run in families. If your mother or father or both of them are nearsighted, it is much possible that you inherit the condition from them. 

 Preventing/Controlling Myopia 

The fast changing lifestyle and use of more technology and computers has further led to increase in the percentage of people being affected by myopia. Research and studies are ongoing to control the development of myopia in childhood itself. 

A lot of new techniques have been experimented upon — such as progressive lenses for children, bifocals, and gas permeable contact lenses — that have shown mixed results. 

A New Zealand research reported positive results from expressly designed "dual focus" soft contact lenses for controlling nearsightedness in children. These lenses are designed to reduce the inclination for unnecessary lengthening of the eye which causes myopia.  Such experimental lenses are still under research and are not available to use unless proper evidence of positive outcome is achieved. 

 Myths 

 Myth 1: Contact lenses or Glasses will worsen my Myopia

Reality: A common myth is that people think wearing glasses will further degrade their vision. But the truth is that prescription glasses help correct your vision and focus on objects more clearly. If there is any inconvenience like headaches or eye strain while wearing your lenses or spectacles, you need to check the power of your lenses which may be either high or low, thus causing headaches or eye stress. It is suggested that you conduct a comprehensive eye test to know the degree of your nearsightedness and get optimal lens upgrades.

 Myth 2: Using lesser Lens Power will control my Myopia  

Reality: Absolutely wrong! The lens power is determined only after a comprehensive eye exam by an optometrist. The power is prescribed as per the severity of the refractive error. If you use lesser power lens, it will not help see objects correctly as required and may even worsen the condition of your eyes.

 Myth 3: Childhood Myopia will improve with Age

Reality: There is no evidence to this myth. Myopia usually develops in childhood and may continue during adulthood. Also, there is no proof that a person cannot develop myopia in later ages.  Lifestyle irregularities and other diseases can trigger the onset of myopia in adults as well.

 Myth 4: LASIK Surgery will permanently cure Myopia

Reality: Undergoing LASIK is a proven method of correcting myopia. It helps correct the distorted shape of your cornea, leading to improved light focus.  It relieves you from wearing lenses and glasses for long. However, it does not guarantee that myopia will not reoccur in your life. With age and other health conditions, people may experience nearsightedness or other problems in vision.

 FAQs

Q: Why does Myopia occur?

Answer: Myopia occurs when the distance between your eyes’ front and back parts becomes too long. This is a refractive error which also results from incorrect curvature of your cornea or from thickening of your eye lenses. These abnormalities in the shape and size of eye parts cause light rays to be focused in front of the retina rather than directly on it.

 Q: What do I know if I have Myopia?

Answer: Common symptom is when you experience difficulties in understanding or seeing far objects easily.  You will still have no problems in seeing close objects. You may also get eyestrain and headaches while working or doing computer tasks. Street signs may appear blurred while driving. In all such cases, you need to visit your Ophthalmologist to check your eyes.

 Q: Can myopia be inherited?

Answer: Yes, heredity may be one reason in your chances of developing this problem. If your parents are nearsighted, you may develop this problem as well. However, there are other causes that may lead to this condition apart from getting it from your families.

 Q: How is Myopia controlled?

Answer: Getting corrective lenses and eyeglasses can cure the problem that occurs due to myopia. It will help focus light rays correctly on your retina, and you will be able to see better images from a distance.  

You may also consider LASIK and other refractive surgeries. Apart from these, yoga and vision therapy are also becoming popular means of maintaining eye health. These are meant to perform eye exercises, thus inducing enhanced coordination of your eyes with the brain.

 Q: Are reading glasses same as distance glasses or different?

Answer: Reading glasses (with a plus sign) are convex lenses that move objects far away and reduce accommodation (focusing effort). Distance glasses, called minus lenses, are concave lenses that move objects closer and increase accommodation.

 Q: When and for how long should plus lenses be used?

Answer: Plus lenses should be while extensive reading, computer use, while watching TV, and during other activities that require close examination.  

 Q: What to do when eyes become too tired or stressed when wearing plus lenses?

Answer: Stop wearing them for some time and if the problem persists, consult your eye doctor to examine your eyes.

How to increase eye power. Which food increase eye power. How to protect eye by sun.

DHMS (Diploma in Homeopathic Medicine and Surgery)
Homeopath, Ludhiana
How to increase eye power. Which food increase eye power. How to protect eye by sun.
Diet for EYESIGHT Lutein and zeaxanthin are both important nutrients for eye health,6 as both of them are found in high concentrations in your macula—the small central part of your retina responsible for detailed central vision. More specifically, lutein is also found in your macular pigment – known for helping to protect your central vision and aid in blue light absorption—and zeaxanthin is found in your retina.Estimated daily dose of lutein is 10 mg per day, and at 2 mg/day for zeaxanthin. Both lutein and zeaxanthin are primarily found in green leafy vegetables, although zeaxanthin is far scarcer than lutein. Kale and spinach are two of the most lutein-rich foods, but you'll also find it in carrots, squash, and other orange and yellow fruits and vegetables. Both lutein and zeaxanthin are carotenoids called xanthophylls, which give plants and vegetables their yellow-orange color, and the name "lutein" comes from the Latin word "luteus," which means "yellow." If you remember this, it may help you pick out vegetables that are likely to contain higher amounts of these two nutrients. Egg yolk is another source of both lutein and zeaxanthin that is well absorbed by your body Most of the dark green leafy vegetables, previously recommended for a higher intake of lutein and zeaxanthin, have 15-47 percent of lutein, but a very low content (0-3 percent) of zeaxanthin. study shows that fruits and vegetables of various colors can be consumed to increase dietary intake of lutein and zeaxanthi It is also important to note that lutein is an oil-soluble nutrient, so if you eat the vegetables without some oil or butter your body can't absorb the lutein. Adding a little bit of healthy fat, such as olive oil, coconut oil, or raw organic butter, will maximize your lutein absorption. Lutein content in food Food Mg / serving Orange ( Raw) 0.2/1 large Egg 0.2/1 large Spinach (cooked) 20.4 / 1 cup Papaya(Raw) 0.3/1 large Turnip greens (cooked) 12.2 / 1 cup Green peas (cooked) 4.1 / 1 cup Spinach (raw) 3.7 / 1 cup Corn (cooked) 1.5 / 1 cup Broccoli (raw) 1.3 / 1 cup Broccoli (cooked) 0.8 / 1/2 cup Green beans (cooked) 0.9 / 1 cup
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What is the reason behind people not making eye contact with me? I do not get it.

Fellowship In Comprehensive Ophthalmology, DOMS
Ophthalmologist, Sangrur
What is the reason behind people not making eye contact with me? I do not get it.
Hello that might be due to lack of self confidence. To increase your self confidence 1. Dress smart 2. Write in bold hand writing 3. Shake hand with firm grip these measure will increase your confidence and you initaite starting conversation while looking in their eyes.
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I have dark sports near my eyes. I can do everything to erase them but they can not erase please send me a suitable succession. How I can control them?

DHMS (Diploma in Homeopathic Medicine and Surgery)
Homeopath, Ludhiana
I have dark sports near my eyes. I can do everything to erase them but they can not erase please send me a suitable s...
Homoeopathic treatment under eye cream (bakson) apply at night under the eye in circular fashion glowcare drops (lords) 20 drops in 20 ml freh water 3 times daily take a good iron rich diet likeapple, pomegranate, spinach nd all other green vegetables 2 glass milk daily 6-8 glass extra water daily try to have a sound sleep home remedies slice up a papaya. Papaya fruit contains the enzyme papain. Papain helps exfoliate the skin, making way for new skin cells to emerge. Papaya also contains vitamin c and vitamin e, so it's a dark spot fading superstar. Papain is most concentrated while the papaya is still green, but you can use riper fruit as well. Peel and remove the seeds from a papaya, and try one of the following treatments: 1. Slice a piece off of the papaya, and lay or hold it on the dark spots that you want to get rid of. Hold it there for 20-30 minutes. Repeat twice a day for best results. 2. Make a papaya facial mask. Cut the papaya into chunks, then use a blender or food processor to blend the fruit into a smooth paste. Apply the mask to your face and neck. Leave it on for about 30 minutes, then rinse well.
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Hello sir, I have pain in eyes & on head from several days. WHat should i do to relief from pain?

MBBS
General Physician, Cuttack
Hello sir, I have pain in eyes & on head from several days. WHat should i do to relief from pain?
You may be having sinusitis.Take x ray PNS and consult ENT Specialist. Check your Bp. Take paracetamol for headache
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I am 61 years old and today is the third day of conjunctivitis. My vision is slightly affected due to swelling and pain in the eyes. It is not sticky like the last time about thirty years ago?

DHMS (Diploma in Homeopathic Medicine and Surgery)
Homeopath, Ludhiana
I am 61 years old and today is the third day of conjunctivitis. My vision is slightly affected due to swelling and pa...
Homoeopathic medicine EUPHRASIA 30 ( Dr Reckeweg) Drink 2 drops direct on tongue every 2-3 hrly CINERARIA EUPHRASIA EYEDROPS ( SBL ) pour into eyes 1-2 drops 3 times daily Wear Zero power eye glasses while on computer work
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