PBMA H V Desai
Contact Lens

Contact Lens

Contact Lens specialists at PBMA’s H. V. Desai Eye Hospital evaluate and fit contact lenses that correct for near-sightedness (myopia), farsightedness (hyperopia), and astigmatism. Our optometrists also can recommend new options in soft and rigid lenses for presbyopia. Contact lenses also have therapeutic uses, and contacts for a medical diagnosis are prescribed as well. Some examples include contacts following injury or corneal transplantation, contacts with artificial iris, and contacts for eye conditions such as keratoconus and Aphakia.

Contact Lens Service

The Contact Lens Service evaluates and fits patients of all ages using the latest in contact lens technology and information, often before it has even been introduced in the general eye practitioner's office. The Directors of the service are national leaders in the contact lens field and participate in major national studies on advances in contact lenses. Contact lenses allow normal vision for people with a wide range of medical conditions. This includes patient who have:

  • Keratoconus
  • Corneal transplantations
  • Irregular or scarred corneas

Infants and young children often have various visual conditions that require a contact lens so that their vision system can develop normally. We offer every type of contact lens, including:

  • Hard
  • Gas-permeable
  • Daily-wear soft
  • Extended-wear contact lenses
  • Coloured lenses
  • Disposable lenses
  • Cosmetic lenses (to change eye colour)
  • Prosthetic Lenses ( to hide the ocular surface disorders)
  • Specialized keratoconus lenses

As a major eye hospital, PBMA’s H. V. Desai Eye Hospital. In addition to patient care, the contact lens service at Wills Eye meets its goal to educate eye practitioners by sponsoring educational meetings that attracts participants nationwide.

Contact Lenses for Children

Contact lenses for infants or young people are very useful when eyeglasses are inconvenient or will not provide the best results. In addition, contact lenses provide an optical correction that more closely approximates the normal eye. This is important in order to give your child the best chance to develop good vision.  Many parents are apprehensive about contact lenses for their children. Yet, with proper care and attention, the risk of complication is low and the potential benefit is high. It is our hope to make you comfortable with caring for your child's contact lenses so that problems can be avoided.

Contact Lens Dispensing Visit (for Children)

When the contact lens is dispensed, the parent is taught how to insert and remove it, as well as how to care for the lens when not in the child's eye.  Patients wearing extended wear lenses must return in 24 to 48 hours. Patients wearing daily wear lenses should return within one to two weeks. 

Contact Lens Follow-up Visits (for Children)

Follow-up visits are necessary to ensure that the lenses are fitted properly, vision is acceptable, and no adverse reactions have occurred. More frequent visits could be necessary for complex cases.

What Is Myopia (Near-sightedness)?

Myopia, also known as near-sightedness, is a common type of refractive error where close objects appear clearly, but distant objects appear blurry. Myopia often progresses throughout the teenage years when the body (including the eye) is growing rapidly.  People with myopia have a higher risk of detached retina and glaucoma.

Symptoms

  • Blurred vision
  • Difficulty seeing distant objects

Causes

Myopia occurs when the image formed by the focusing mechanisms of the eye is “in front” of the retina.  This often occurs if an eye is longer than average.

Risk Factors

A major risk factor for myopia is a family history of myopia.  Some genetic disorders, such as Marfan syndrome, have a high association with myopia.  Retinopathy of prematurity (ROP) is also a risk factor for development of myopia later in life.

Tests and Diagnosis

Myopia is diagnosed by a careful refraction by an eye care professional.

Treatment and Drugs

Myopia is commonly treated using corrective lenses, such as eyeglasses or contact lenses. Refractive surgery can also be used to correct myopia.

What Is Hyperopia (Farsightedness)?

Hyperopia, also known as farsightedness, is a refractive error that results from a disorder rather than from a disease. A refractive error means that the shape of your eye does not bend light correctly, resulting in a blurred image. Hyperopia usually is inherited and children who are hyperopic often become less hyperopic as adults.

Symptoms

  • Blurred vision
  • Difficulty seeing objects up close
  • Crossing of the eyes in children (esotropia)

The symptoms described above may not necessarily mean that you have hyperopia. However, if you experience one or more of these symptoms, contact your ophthalmologist for a complete exam.

Causes

Hyperopia occurs when the image formed by the focusing mechanism of the eye is “behind” the retina. This often occurs if an eye is shorter than average.

Risk Factors

A family history of hyperopia

Tests and Diagnosis

Hyperopia can be diagnosed by a careful refraction by an ophthalmologist.  For children and young adults, a cycloplegic refraction may be necessary to diagnose the correct amount of hyperopia. The focusing mechanism of the eye can mask the full amount of hyperopia but, during a cycloplegic refraction, eye drops are given to paralyze this mechanism so the true amount of hyperopia can be measured and corrected if needed. 

Treatment and Drugs

Hyperopia is commonly treated using corrective lenses, such as eyeglasses or contact lenses. Refractive surgery may be able to correct some forms of hyperopia.

What is Astigmatism?

Astigmatism usually occurs when the front surface of your eye, the cornea, has an irregular curvature. Astigmatism is one of a group of eye conditions known as refractive errors and these errors cause a disturbance in the way that light rays are focused within your eye. Astigmatism often occurs with near-sightedness and farsightedness, conditions also resulting from refractive errors. Astigmatism is not a disease nor does it mean that you have "bad eyes." It simply means that you have a variation or disturbance in the shape of your cornea.

Symptoms

  • Distortion or blurring of images at all distances
  • Headache and fatigue
  • Squinting and eye discomfort or irritation

The symptoms described above may not necessarily mean that you have astigmatism. However, if you experience one or more of these symptoms, contact your ophthalmologist for a complete exam.

Causes

Normally, the cornea is smooth and equally curved in all directions and light entering the cornea is focused equally on all planes or in all directions. In astigmatism, the front surface of the cornea is curved more in one direction than in the other. This abnormality may result in vision that is much like looking into a distorted, wavy mirror. The distortion results because of an inability of the eye to focus light rays to a single point. If the corneal surface has a high degree of variation in its curvature, light refraction may be impaired to the degree that corrective lenses are needed to help focus light rays better. At any time, only a small proportion of the rays are focused and the remainder are not, so that the image formed is always blurred. Usually, astigmatism causes blurred vision at all distances.

Risk Factors

A small amount of astigmatism is very common and the tendency to develop astigmatism is inherited.  A larger amount of astigmatism can be associated with diseases such as keratoconus.

Tests and Diagnosis

The amount of astigmatism in the eye can be measured in various ways. The auto refraction or the subjective refraction—based on the patient’s response—that are done at the beginning of an eye exam is one way to measure astigmatism. The amount of astigmatism caused by the cornea is measured in the clinic by a diagnostic instrument called a Keratometer. 

Treatment and Drugs

If the degree of astigmatism is slight and there are no other problems of refraction, such as near-sightedness or farsightedness, corrective lenses may not be needed. If the degree of astigmatism is great enough to cause eye strain, headache, or distortion of vision, corrective lenses will be needed for clear and comfortable vision. The corrective lenses needed for astigmatism are called toric lenses and they have an additional power element called a cylinder. They have greater light-bending power in one axis than in others. Your ophthalmologist will perform precise tests during your exam to determine the ideal lens prescription. Refractive surgery also may be an option for correcting some forms of astigmatism. Astigmatism may increase slowly. Regular eye care can help to insure that proper vision is maintained. You may have to adjust to wearing eyeglasses or contact lenses if you do not wear them now. Other than that, astigmatism probably will not significantly affect your lifestyle.

What Is Presbyopia?

Presbyopia is the result of the normal aging of the lens inside your eye.  A refractive error, presbyopia results from a disorder than from disease. The condition commonly occurs after age 40, when the lens of the eye becomes more rigid and does not flex as easily. As a result, it is more difficult to read at close range. A normal aging process of the lens, presbyopia can also occur along with myopia, hyperopia, or astigmatism.

Symptoms

  • Near objects appear blurred
  • Difficulty seeing objects up close

The symptoms described above may not necessarily mean that you have presbyopia. However, if you experience one or more of these symptoms, contact your ophthalmologist for a complete exam.

Causes

Presbyopia is caused by the natural aging of the crystalline lens inside the eye.

Tests and Diagnosis

A careful refraction by your eye care professional will reveal if you are experiencing the symptoms of presbyopia.

Treatment and Drugs

Presbyopia is commonly treated using corrective lenses, such as eyeglasses or contact lenses.

Keratoconus

What Is Keratoconus?

Keratoconus, meaning "cone-shaped," is a condition in which the cornea (the clear front window of the eye) progressively becomes steeper and thinner. This abnormal shape of the cornea can cause distortion of visual images.

Symptoms

  • Frequent changing of glasses or contact lens prescriptions with high levels of astigmatism
  • Blurring and distortion of vision
  • Glare
  • Light sensitivity and irritation

The symptoms described above may not necessarily mean that you have keratoconus. However, if you experience one or more of these symptoms, contact your ophthalmologist for a complete exam.

Causes

The cause of keratoconus is unknown. It usually appears in individuals during their late teens or early twenties. The disease usually progresses for 10 to 20 years as the cornea steepens and thins. Although both eyes may be affected, one eye is usually worse than the other.

Risk Factors

Genetics may contribute to your risk of developing keratoconus.  Vigorous eye rubbing is thought to add to development and progression of the disease; therefore patients with keratoconus are advised to avoid rubbing their eyes.

Tests and Diagnosis

Signs of keratoconus can be seen during a routine eye examination. These may include high degrees of astigmatism when checking a glasses prescription, or changes in the cornea as seen through the slit lamp microscope during an examination.  The diagnosis is often confirmed using corneal topography, photographs that measure the curvature of the cornea and highlight irregularities consistent with keratoconus.

Treatment and Drugs

Although there are no medicines known that will prevent progression of the disease, mild cases of keratoconus can be successfully treated with glasses or specially designed contact lenses. A customizable oversized hard contact lens device called Prosthetic Rehabilitation of the Ocular Surface Ecosystem (PROSE) can also improve vision for many patients with keratoconus.  When vision is no longer satisfactory with glasses or contact lenses, a corneal transplant may be recommended. In addition, intra-corneal rings have been approved by the FDA for the treatment of keratoconus. These crescent-shaped plastic rings are surgically placed into the outer edges of the cornea.  Collagen cross-linking is a new treatment that strengthens the cornea and may slow the progression of keratoconus.  This treatment is currently being studied by the FDA and is not yet commercially available in the United States.

Address

PBMA's H. V. Desai Eye Hospital, 93, Tarwade Vasti, Mohammadwadi road, Hadapsar, Pune MH 411060 India

Contact No

+91-20-26970144 | 26970043

+91-20-30114000 | 30114201

Working Hours

Mon to Fri - 8:00 am to 4:00 pm
Mon to Fri - 5:00 pm to 7:00 pm
Saturday : 8:00 am to 2:00 pm
Sunday : Closed

Keep In Touch

We are happy to answer your questions at desaieyehospital@hvdeh.org

Copyright 2017 PBMA's H. V. Desai Eye Hospital
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