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Cataracts and Lens Conditions

Cataracts and lens conditions affect how light is focused in the eye, leading to blurred, dim or distorted vision. Early diagnosis and appropriate treatment are essential to maintain visual clarity, prevent progression, and ensure long-term eye health and functional vision.
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Understanding the Eye’s Lens

The natural lens of the eye plays a critical role in vision by focusing light precisely onto the retina. It is normally clear and flexible, allowing the eye to adjust focus between near and distant objects.

Any change in the clarity, shape, or flexibility of the lens can interfere with how light is transmitted, resulting in reduced visual quality. These changes often develop gradually and may not be immediately noticeable in their early stages.

View VideoThe crystalline lens is the transparent structure inside of the eye located directly behind your iris. The sole function of your lens is to focus light rays onto the retina.

Overview of Cataracts and Lens Conditions

Cataracts and lens conditions represent a group of disorders that affect the structure, clarity, and optical function of the eye’s natural lens. The lens is responsible for transmitting and focusing light onto the retina, and even subtle changes in its composition or flexibility can significantly impact visual quality.

These conditions may involve progressive clouding of the lens, reduced elasticity affecting the ability to focus, or structural alterations that change how light is refracted within the eye. While many lens-related changes are associated with ageing, they may also develop earlier due to systemic diseases such as diabetes, ocular trauma, environmental factors, or underlying eye conditions.

In many cases, lens changes occur gradually and without obvious early symptoms. Patients may initially notice mild blurring, increased glare, or difficulty with near or distance vision, often attributing these changes to normal ageing. However, without proper evaluation, these conditions can progress and lead to increasing visual impairment.

Cataracts
Clouding of the natural lens causing blurred vision, glare and reduced clarity, typically developing gradually with age and effectively treated with surgery when needed.
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Presbyopia
Age-related loss of near vision caused by reduced lens flexibility, leading to difficulty focusing on close objects, commonly managed with glasses, lenses or other treatments.
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