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LASIK - The Khanna Institute
Tuesday, June 16, 2009
New Technology Allows You to See Near and Far Without Glasses
If you have undergone cataract surgery, there are three primary methods that can allow you to see near and far. These include:
- Monovision
- Multifocal Intraocular lens (IOL)
- Accomodating IOL
Monovision
This is a process of setting the focus of one eye on close-up objects and the focus for your other eye on far-away objects. In doing this, your brain combines the two images to create a clear picture.
Multifocal IOLs
These include the ReZoom, ReSTOR, and Tecnis lenses. Multifocal IOLs are lenses that have concentric rings of varying focal power, like a bullseye. Some rings provide focus for near objects, others for mid-range objects, and some for seeing objects at a distance.
The Tecnis Multifocal Foldable IOL also has concentric rings for different distances. It received FDA approval in January, 2009 for use in cataract surgery, where the natural lens is replaced. In the clinical trials most participants achieved 20/25 distance vision or better and 20/32 or better for near vision. It is designed using Wavefront data - the same precise level of information that is gathered when you are having Wavefront LASIK.
Accommodating IOLs
These lenses are designed to change focus. An accommodating IOL allows you to see distant objects, and then is can change focus and allow you to see objects that are close up. The only accommodating IOL approved in the United States is the Crystalens.
If you live in the Los Angeles area want to enjoy near and far vision, please contact our Los Angeles office today. Orange County ophthalmologist Dr. Khanna and his staff can help you find the IOL that is best for your condition and needs. Please call today to schedule your free vision screening.
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Erica
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12:15 PM
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Thursday, May 28, 2009
Signs and Symptoms of Presbyopia
As you grow older, you may find that is more difficult to read, use the computer and focus on near objects. The reason is presbyopia. This is a medical condition where people begin to lose the ability for their eyes to focus.
The earliest warning signs can be seen between the ages of 40 and 50, though some experience symptoms years before.
Difficulty reading and blurred near vision are two of the most common signs of presbyopia. Some individuals may also experience headaches and eye fatigue as well.
The most common symptoms include:
- Hyperopia, or farsightedness. Objects at a distance are clear, but objects close up are blurry
- Far-sightedness increasing with age
- Difficulty focusing on nearby objects
- Difficulty reading
- Experience eyestrain or headaches from prolonged reading or close work
- Holding books or magazines at a distance to read clearly
If you or a loved one is exhibiting the early signs of presbyopia, it is important that you contact our Orange County Office as soon as possible so that your condition does not worsen. We offer free vision screenings for all new patients. Please schedule your appointment with Dr. Khanna today.
posted by
Evan Langsted
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7:38 AM
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Monday, May 18, 2009
Clint Black
Music to the ears,
Sight to the eyes
Labels: catarax, clint black, hollywood, Lasik, music, rajesh khanna
posted by
eyeman
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9:39 PM
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2.5 man
berthaLabels: bertha, Lasik, Los Angeles lasik, New Vision LASIK
posted by
eyeman
at
9:36 PM
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Wednesday, April 29, 2009
I hate Contact Lenses and here is why:
For someone who wears contact lenses, they are constantly reminded that they have a foreign object on their eyes- ouch :(. For a college student or for someone who works in an office setting, staring at a computer screen all day can cause dryness and tiredness. The dryness causes one's eyes to become red and watery, and can lead to headaches. And the tiredness causes one to have to frequently take a break. Eye drops help in these situations, but they only provide temporary relief. This affects one's productivity because they are not able to function as well or as effectively as they should be able to.
Another problem which contact lenses bring about is blurred vision. This happens sometimes when the contact lens gets dirty or when it becomes too dry. This can cause much inconvenience and can be dangerous in situations such as driving a vehicle. Imagine having to drive at night with blurry contacts, this can be a great risk and can put your own life and other's lives in danger. Sometimes taking the contacts out and cleaning them does not even help. One must throw the pair out and get a brand new pair, which can become expensive if the problem keeps reoccurring.
For a contact lens wearer, another worry is always having to have an extra pair of contacts or glasses on them as well as cleaning solution and eye drops. For someone who relies on contacts to be able to see, they cannot take the risk of not being prepared if one of their contacts falls out, or if it becomes too blurry to see, or if their eyes get too dry. Therefore, they always have to carry these items with them. This is an inconvenience for everyday life, not to mention when travelling.
Have you ever played football with contact lenses? Having my contact lenses fly away on a tackle and than not knowing where to run was embarrassing and frustrating.
Contact lenses are supposed to be a more convenient alternative to wearing glasses, but they bring about many problems from dryness to irritation to blurred vision and much more. With all of these problems, wearing contact lenses can be very uncomfortable. Always having to worry about your contact lenses is not a convenient way to live one's life. For someone who wears contacts, they are always reminded of it and it is a fact they cannot escape. For these reasons, I hate contact lenses! Wish there was a solution... Hmmmm...
Yes there is, LASIK performed by a skilled and well trained surgeon using the safest technology.
posted by
Evan Langsted
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11:02 AM
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Tuesday, April 07, 2009
Prelex
Labels: Cataracts, devgan, glaucoma, Lasik, New Vision LASIK, PRELEX, Santa monica, Schneider, vision
posted by
eyeman
at
9:25 AM
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The blind can see
Labels: Crystalens HD, Los Angeles lasik, PRELEX, Restor aspheric
posted by
eyeman
at
8:37 AM
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Monday, March 16, 2009
EpiLASIK for Dry Eyes
If you are suffering from dry eye syndrome, your eye either does not produce sufficient tears, or has a certain chemical composition that causes your tears to dry up too quickly.
Those who have poor vision and are considering LASIK surgery, it is important to note that dry eyes can occur both before and after this procedure. Dry eyes may be aggravated in patients who had the condition prior to their surgery.
Dry eyes are less common
Surgeons who use epiLASIK have reported fewer instances of dry eye syndrome as a complication. One reason may be because the thinner corneal flap does not impede the normal processes of the corneal nerves that trigger the responses necessary to moisten your eye's surface.
EpiLASIK differs from LASIK because of the type and thickness of the corneal flap. The flap cut is so thin that it does not penetrate the actual cornea substance, only its outer layer, known as the epithelium. An epithelial separator is used to separate the epithelium sheet from the eye. Because epiLASIK does not actually penetrate into the superficial layers of the cornea like LASIK does, it is less likely that you will develop or worsen dry eyes with this procedure.
If you or a loved one lives in Los Angeles and is suffering from dry eyes, please contact our office today to schedule your free vision screening today. Orange County ophthalmologist Dr. Khanna can help you find the treatment to alleviate your dry eyes and get on with your life. Please call today.
posted by
Evan Langsted
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3:34 PM
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Wednesday, February 25, 2009
Differences in Types of Intraocular Lenses (IOLs)
With this type of surgery, your eye's natural lens is replaced by an intraocular lens implant. A monofocal intraocular lens may be implanted to give you a clear point of focus, at a distance or close up.
Types of Multifocal IOLs
Because of their ability to correct vision at all distances, multifocal IOLs are the most preferred IOLs. There are three main types:
Multifocal refractive
Multifocal refractive IOLs, like the ReZoom, are crafted with several optical zones on the intraocular lens. These different zones allow for various focal points, which improves your vision:
- At a far distance
- At intermediate distances
- At near distances
Apodized diffractive IOLs, like the ReSTOR have gradual diffractive steps on the implant that creates a smooth transition between focal points. This IOL also bends incoming light to the multiple focal points, which enhances vision in different light conditions. Acrysof has recently improved the optical properties of its ReSTOR lenses and released a new version, known as ReSTOR +3.0D. The Khanna Institute is proud to offer this new lens which achieved patient satisfaction rates of 95 % in clinical studies and gave a fourfold increase in the number of patients achieving 20/20 vision or better.
A newer type of IOL, the accommodative, includes lenses such as the Crystalens. These IOLs have one focal point, but act like your natural lens, changing shape to move the single focal point to bring objects at varying distances into focus. Recently, Bausch and Lomb introduced Crystalens HD, which improves depth of focus to improve near vision while maintaining high quality intermediate and distance vision. Khanna Institute of LASIK & Refractive Surgery is proud to offer this new option to our cataract and presbyopia patients.
If you would like to make permanent enhancements to your vision, please call our office or schedule your appointment online today. Orange County ophthalmologist Dr. Khanna can discuss your options with you during your free vision screening.
posted by
Evan Langsted
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3:25 PM
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