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Cataracts: A Complete Guide to Symptoms, Causes, Diagnosis and Treatment

Understand how cataracts develop, how they affect vision, and what to expect at every stage — from early signs to recovery after treatment. Clear, specialist-led information to help you recognise changes early and make informed decisions about your eye health.

Additional Cataracts Resources

Cataracts resources for Patients

Clear, practical guidance to help you prepare for consultations, understand treatment options, and feel confident in your decisions.

Cataracts resources for Healthcare Professionals

Information for optometrists and referring doctors, including referral considerations and collaborative care.

How to use this Cataracts guide

Cataracts develop gradually, and most patients move through a sequence of stages:

  • Noticing early visual changes
  • Understanding possible causes
  • Undergoing assessment and diagnosis
  • Considering treatment options
  • Recovering after intervention

 

You can explore each stage below depending on your situation.

Cataracts are one of the most common causes of gradual vision loss, particularly with increasing age. Despite their frequency, many patients are unsure how cataracts develop, when they become significant, and when treatment is necessary.

A cataract occurs when the natural lens of the eye becomes progressively cloudy, affecting how light is transmitted to the retina. This can result in blurred vision, glare, reduced contrast sensitivity, and difficulty performing everyday tasks.

Importantly, cataracts do not present in the same way for every patient. Early symptoms may be subtle and easily overlooked, while more advanced changes can significantly impact independence and quality of life.

This guide is designed to provide a clear, structured understanding of cataracts — from early signs through to diagnosis, treatment, and recovery — so that you can take the right steps at the right time.

What Are Cataracts?

A clear explanation of how cataracts develop, how they affect vision, and what to expect as they progress.

Cataract Symptoms

Learn how cataracts affect vision, including early subtle signs and more advanced symptoms that impact daily life.

Cataract Causes

Understand why cataracts develop, including age-related changes, medical conditions, and environmental factors.

Prevention

While cataracts cannot always be prevented, certain steps may reduce risk or delay progression.

Screening

Understand how routine eye examinations can detect cataracts early, even before significant symptoms develop.

Diagnosis

A detailed look at how cataracts are assessed and how they are distinguished from other causes of vision loss.

Treatment Overview

Learn when cataracts require treatment and how management decisions are made based on symptoms and lifestyle.

Cataract Surgery

Understand how modern cataract surgery works, what to expect, and how it restores vision.

Lens Options

Explore the different types of intraocular lenses and how they influence visual outcomes after surgery.

Recovery

What to expect after cataract surgery, including healing timelines and return to normal activities.

Risks

A clear and balanced explanation of potential risks and how they are minimised.

When to seek assesment

You should consider a specialist eye assessment if you experience:

  • Gradual or unexplained vision changes
  • Increasing glare or difficulty driving at night
  • Reduced clarity despite updated glasses
  • Visual symptoms affecting work or daily activities

Cataracts are often only one part of a broader visual assessment. In some cases, symptoms attributed to cataracts may be influenced by other conditions such as retinal disease, glaucoma, or systemic health factors.

A comprehensive ophthalmic evaluation ensures that:

  • the correct diagnosis is made
  • co-existing conditions are identified
  • treatment decisions are appropriate and timely

 

This is particularly important in patients with diabetes, vascular conditions, or complex visual symptoms.

Request to Schedule Appointment

Please provide two possible dates that suit you, we will revert to you to discuss availability according to Dr. Cronje’s schedule.

All information provided below is private and protected by the POPI act

Appointments

Call Us At:
013 243 1632 or 086 166 4664

Queries

Email Us At: office@drcronje.com

Office Hours

Mon - Fri: 8:00 AM - 5:00 PM
Sat: By Appointment Only

The information on this website is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Please consult Dr. Cronje for specific eye health concerns.

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