Retina Clinic

Retina Clinic

In our hospital the medical retina department in its armamterium has Zeiss stratus OCT, Digital Fundus photo camera, Tomey 6000 US scan, 532 Green laser. All the medical problems like CSR, HT retinopathy, radiation retinopathy, retinal and choroidal dystrophies, ARMD are treated by our specialist with the latest know how.

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Diabetes and the Eye

An increasing incidence of diabetes mellitus poses a major health problem in India. The contributing factors are:

  • an inappropriate diet, high in fat and carbohydrates
  • sedentary lifestyle

Diabetes may affect both the young (type I) and the old (type II). The latter type is far more common.
Regardless of the type of diabetes, many diabetics develop a complication called diabetic retinopathy, a change in the retinal blood vessels that leads to loss of vision.

Diabetic Retinopathy: A silent presence
  • Diabetics are twice as likely as non-diabetics to develop eye problems . The most common eye complication in diabetes is diabetic retinopathy; other complications are cataract and glaucoma.
  • Fifty percent of diabetics develop some degree of diabetic eye disease.
  • The risk of blindness is 25 times higher in diabetics than in non-diabetics.
  • Early detection and timely treatment of diabetic eye disease significantly reduces the risk of vision loss.
  • Diabetic retinopathy is often symptomless in the early stages. Since only an ophthalmologist can detect early signs of diabetic retinopathy, all diabetics should have their eyes examined at least once every year.
How does diabetes affect the eye?

Diabetes causes weakening of the blood vessels in the body. The tiny, delicate retinal blood vessels are particularly susceptible. This deterioration of retinal blood vessels, accompanied by structural changes in the retina, is termed diabetic retinopathy and will lead to loss of vision. Diabetic retinopathy is gradual in onset and is related to the duration of diabetes.
High blood glucose levels, high blood pressure and genetics influence the development and progression of diabetic retinopathy.

There are two main stages of diabetic retinopathy:-

Non-proliferative: When the blood vessels leak, macular edema may occur, thereby reducing vision.

 

Proliferative: When new, weak blood vessels grow or proliferate, bleeding into the vitreous may occur and cause severe visual loss.

 

Eye examination in diabetic retinopathy: Every diabetic is a potential candidate for diabetic retinopathy. There are no symptoms at the initial stages. Periodic eye examination with dilated pupils is the only way to detect early disease and prevent further deterioration of vision.

 

Diagnosis: Diagnostic tools such as a slit lamp, ultrasound and procedures such as fluorescein angiography are used in addition to an ophthalmoscope to assess whether the patient has diabetic retinopathy or other eye problems.

 

Fluorescein Angiography: This is a magnified photography of the retina using an injectable dye. It helps classify the condition, record changes in the retinal blood vessels, decide on the mode of treatment and evaluate the treatment.

 

The laser experience: Laser treatment is usually performed as an outpatient procedure. The patient is given topical anaesthesia to prevent any discomfort and is then positioned before a slit lamp. The ophthalmologist directs the laser beam precisely on the target with the aid of the slit lamp and a special contact lens. Absorption by the diseased tissue either seals or destroys the tissue. Additional treatment may be required according to the patient’s condition.

 

Side effects: Some patients may experience side effects after laser treatment. These are usually temporary. Possible side effects include watering eyes, mild headache, double vision, glare or blurred vision. In the event of sudden pain or vision loss, the ophthalmologist must be contacted immediately.

 

Vitrectomy:- In some patients, there may be bleeding into the vitreous or the vitreous may pull the retina, reducing vision severely. In such instances a surgical procedure called vitrectomy (replacing the vitreous by a clear artificial solution) is performed. Vitrectomy is done only after other forms of treatment have been unsuccessful.

 

Optical conerence topography: OCT is a tecnique for obtaining sub surface images of translucent or opaque material at a resolution equvalent to lower power microscope with help oflower coherence interferometric (infra red light curve). It helps to get high resolution images of retina especially useful in study of macula (detact csme subclimica,l CME,CNVM, and RNFL)

 

Anti VEGF therapy: Vascular endothelial growth factor is an important growth factor for angiogenesis and has been shown to be necessary in normal vascular development. It has been shown to be secreted by hypoxic RPE cells and induces endothelial cell proliferation and retinal vascular permeability. This increase permeability in diabetics leads to macular edema.Anti VEGF therapy helps resolve macular edema. Agents commonly used are intravitreal Bevacizumab , Pegaptanib , Ranibizumab, Trimacolone Acetonide ( preservative free).

The hospital offers comprehensive facilities for surgical problems of the posterior segment.

Among the problems that can be surgically managed by us are:
  • Retinal detachment with or without PVR.
  • Proliferative Diabetic Retinopathy (PDR) with vitreous hemorrhage and tractional Retinal detachment
  • Vitreous Hemorrhage
  • Lensectomy and Vitrectomy
  • Retinal detachment with macular holes
  • RIOFB (Perforating eye injury with retained intraocular foreign body)
  • Endophthalmitis

The operation theatre is equipped with state of art vitrectomy system Fragmentome, Automated Scissors, Endo laser and Cryo. Operating microscope with still and CCTV attachment is used during surgery. Electronic autoclave and Ethylene Oxide sterilizer are used for sterilization of instruments, linen and consumables. ETO sterilized disposable plastic drapes are used during surgery.
Our hospital is geared to provide service to patients with retinal detachment, diabetic retinopathy complicated RD and PVR, Giant retinal tear, Vitreous hemorrhage, maculopathy with or without vitreous hemorrhage or RD, perforating eye injury, RIOFB, macular choroidal membrane.