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Contact Lens Clinic
  Frequently asked questions about contact lenses

Advancements in contact lens technology offer the potential for successful contact lens wear to most of our patients. Contact lenses not only enhance visual acuity and appearance, but also improve performance in different visual tasks; helps avoid fogging of glasses in different environments, and also improve performance of other fast activities like sports.

Because contact lenses are medical devices placed on the eyes, they require expert fitting and careful instruction, as well as conscientious care and compliance with recommended follow-up examinations to maintain the healthy functioning of your eyes. To insure your contact lens success, we would like to familiarize you with our contact lens procedures and policies.

About the clinic:

Sankara Nethralaya has a well-equipped state of the art Contact Lens Clinic offering an extensive range of Contact Lenses. Our Contact Lens Clinic has highly qualified and experienced professionals who ensure that the patients are given the best lenses after scientific testing in a professional and friendly environment. This allows the best possible clinical care to be provided to individual patients.

In addition, the clinic is equipped with a specialized camera unit in the examination instrument allows for careful record keeping of the patient's ocular health. The clinic offers quality care for normal and specialised contact lens fitting with the help of regular trainings and updation. The availability of the extensive equipment required for specific ocular measurements required also best care for specialized contact lens fitting in corneas with some pathology and in post surgical corneas.

Contact Lens Fitting

The goal of contact lens fitting is to find the most appropriate contact lens for your optimal comfort and vision. An enormous variety of types, styles, materials, sizes and colors are offered. We are committed to taking the time and making the effort to fit contact lenses that suits you best. Although many patients need only one fitting session, some require several appointments. In our experience, the extra time, effort and patience are very worthwhile, both for your ultimate satisfaction and the health of your eyes.

The primary aim of this Department is to:

 
 
 
 
 
 
 

Services provided

 
 
 

Indications of contact lenses:

People go in for contact lenses for cosmetic reasons and optical reasons to avoid glasses or change the colour of their eyes.
In some pathological conditions as only contact lenses can give them the best vision.

Some subjects prefer contact lenses for occupational reasons like professional artists, professionals requiring to use microscopes, photographers etc.

Optical Indications

Most contact lens wearers fall into this group. The great majority are Myopic or hyperopic with or without astigmatism.

Anisometropia and Unilateral Aphakia

Anisometropia exists when there is a difference in the refraction of generally more than two diopters between the two eyes. In the adult, differences of greater than three diopters generally are not tolerated with spectacle correction. In such cases, a contact lens may be indicated in order to reduce the development of amblyopia and anisometropic aniseikonia.

Pediatric Contact Lenses

Infants and children with eye conditions that would normally require them to wear bulky eyeglasses with conditions such as high prescriptions; anisometropia (significantly different prescription between the two eyes), aphakia (an eye where the lens has been removed) and other focusing problems need to wear constant visual correction for the visual system to develop normally.

When a child needs vision correction but where one is never prescribed or worn, amblyopia, or "lazy eye", can develop and vision can be reduced permanently.

Since eyeglasses are never tolerated well by small children, contact lenses are the preferred method of vision correction for these patients.

Bifocal Contact Lenses

Whether you are nearsighted, farsighted or even if you do not need any visual correction, you will likely need the help of reading glasses when you reach your 40's. This is called Presbyopia. The lenses used to correct this refractive error is called Bifaocal contact lens.

Specialty Contact Lenses

Medical Indications

Keratoconus (KC)
Keratoconus is a thinning disorder of the cornea that causes distortion and reduced vision.

Pellucid marginal degeneration (PMD)
A condition whereby the lower cornea becomes thinner and the optic surface of the cornea becomes irregular and the vision becomes blurry.

Laser and Lasik refractive surgery may result in residual refractive error. In the event that they can not be corrected with further procedures, fitting with contact lenses may be required. These conditions special contact lens is required for fitting

 
     
 
     
 

Corneal irregularity resulting from Ocular injury, disease, infection or surgery including those who have had corneal transplant surgery, radial keratotomy surgery or those with corneal scarring and irregularities from injury or corneal disease experiencing poor vision from the visual distortions

Corneal ectasia is a condition where the cornea begins to protrude after being thinned too much from refractive surgery.

Rigid gas permeable contact lenses, Rose K contact lenses, Piggyback contact lenses, Scleral contact lenses and Hybrid Contact Lenses can manage these conditions.

The contact lens specialist carefully evaluates the needs of the individual situation to find the lens that offers the best combination of visual acuity, comfort and corneal health

Prosthetic Contact Lenses

The Prosthetic contact lenses help to improve the aesthetics of injured, deformed, or disfigured seeing or non-seeing eyes. People who have lost eyes through accidents, disease or genetic abnormalities, as well as those already wearing prosthetic contact lenses.

X-Chrome Contact lenses

Color blindness or color vision deficiency is the inability to perceive differences between some of the colors that others can distinguish. It is most often of genetic nature, but may also occur because of eye, nerve, or brain damage, or exposure to certain chemicals. The X chrome contact lenses help to perceive difference in some of the colours by increasing the contrast.

Facilities and infrastructure:

Contact Lens Clinic is available at Sankara Nethralaya Main, Jagadguru Kanchi Chandrasekharendra Nethranilayam, Navasuja Sankara Nethralaya, and at our Rural Eye Hospital.

All the clinics have qualified optometrists fully trained in fitting contact lenses and is equipped with all necessary instrumentation and inventory facilities.A full trial set of soft conventional, disposable, RGP lenses, other specialty lenses are available at all our clinics for trial purposes.

Unique Service, Facilities, Infrastructure

 
 
 
 
 

Hygiene and disinfection Practices:


 
 
 
 

For contact details:

e-mail id: cl@snmail.org
Mobile: +91 9383571539

Head of Department - Contact Lens

M.Rajeswari, M.Phil opt, FIACLE, Phd
Senior Excecutive Optometrist
Incharge – contact lens clinic
Assistant Professor - Elite school of optometry
Sankara Nethralaya, Medical Research Foundation
41/18, College Road, Chennai – 600 006.
e-mail id: graji@snmail.org, optoraji@gmail.com
Ph: 42271500 / 28271616, Extn: 1241
Mobile:
+91 9383571539, Fax: +91 44 28254180.




   
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Updated on : 04/09/2010
 
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