Understanding Cataract: A Guide to Visual Clarity

What are Cataracts?

Cataracts are a common eye condition characterised by the clouding of the natural lens within the eye. This clouding occurs gradually and may lead to blurred, hazy, or dim vision. Cataracts can develop in one or both eyes, hindering your ability to see clearly and perform everyday tasks.

Causes of Cataracts

Cataracts form due to the accumulation of proteins in the lens, causing it to become less transparent and impairing the passage of light. While ageing is the most common cause of cataracts, other factors can contribute, including:

UV Radiation

Prolonged exposure to ultraviolet (UV) rays from the sun may increase the risk of cataracts.

Trauma

Eye injuries can damage the lens and trigger cataract development.

Medical Conditions

Diabetes, hypertension, and certain metabolic disorders can accelerate cataract formation.

Medications

Prolonged use of certain medications, such as corticosteroids, can contribute to cataract development.

Genetics

Family history of cataracts can increase the likelihood of developing them.

Cataracts predominantly affect older adults, with age being a major risk factor. However, they can also develop in younger individuals due to various underlying conditions or genetic predisposition. Globally, cataracts are a leading cause of vision impairment and blindness.

Identification of Cataracts

Detecting cataracts early is essential for timely intervention. Common signs and symptoms include:

Blurred or Faded Vision

Objects may appear blurry, cloudy, or yellowish, impacting vision quality.

Difficulty Seeing at Night

Vision may deteriorate in low-light conditions, such as nighttime driving.

Sensitivity to Light

Bright lights may cause discomfort and glare.

Frequent Prescription Changes

Frequent changes in eyeglass or contact lens prescriptions may be needed.

At Kofsky Optometry we can diagnose cataracts through a comprehensive eye exam that includes visual acuity tests, slit-lamp examinations, and evaluations of the lens' clarity and integrity.

Remedies for Cataracts

While cataracts cannot be reversed through medication or lifestyle changes, there are effective treatment options available:

Surgical Removal

Cataract surgery is a common procedure where the clouded lens is replaced with an artificial intraocular lens (IOL). This surgery is highly successful and can restore clear vision.

Lifestyle Modifications

Wearing sunglasses with UV protection, maintaining a healthy diet rich in antioxidants, and managing underlying medical conditions can help slow cataract progression.

A recommendation to undergo cataract surgery would only be made after a personal consultation that would investigate the degree of visual impairment. If you suspect cataracts or are experiencing vision changes, call 02 9371 0093 or book online and we will help you to determine the best course of action.