Cataract
Cataract is a major global cause of reversible blindness and involves hardening and clouding of the eye's natural lens.
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Eye conditions
Learn about the main conditions that can affect your eye health.
Eye conditions
Eye conditions
Glaucoma
Glaucoma is currently one of the world's leading causes of irreversible blindness.
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Ocular hypertension and glaucoma: what is the difference?
High eye pressure is not the same as glaucoma. Understand the difference, the tests and the importance of personalised follow-up.
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Eye conditions
Presbyopia
Presbyopia is the age-related loss of the eye's natural ability to obtain clear near vision.
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Eye conditions
Refractive error (Myopia - Hyperopia - Astigmatism)
A refractive error occurs when light entering the eye is not focused at a precise point coinciding with the central retina.
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Eye conditions
Dry eye
Dry eye is the common term for a qualitative or quantitative deficiency of the tear film covering the eye's surface. It is a very…
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Surgery
Cyclophotocoagulation for glaucoma
Micropulse and conventional G-probe laser: how they work, when they are considered and what to expect during recovery.
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Eye conditions
Vitreous floater
Floaters are a very common symptom that becomes more frequent with age.
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Eye conditions
Refractive error after surgery
Surgical correction of refractive errors is now highly predictable, but deviations from the intended correction can sometimes occur and…
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Eye conditions
Posterior capsule opacification — “dirty lens”
The expression “a dirty intraocular lens” is sometimes used to describe clouding of the back of the capsular bag where…
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Eye conditions
Red eye
A red eye is one of the clinical signs that most often prompts an urgent consultation.
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Eye conditions
Age-related macular degeneration
Age-related macular degeneration (AMD) is a chronic and usually progressive disease of the central retina, the macula.
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Eye conditions
Diabetic retinopathy
Diabetic retinopathy (DR) is the most common eye complication of diabetes and a major cause of blindness worldwide.
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Eye conditions
Blepharitis
Blepharitis is inflammation of the eyelids and is very common. It has multiple causes and is often chronic, although it may also occur…
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Questions and Guidance
What is intraocular pressure or eye pressure?
Intraocular pressure (IOP), or eye pressure, measures the pressure or force inside the eyeball.
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Questions and Guidance
How does open-angle glaucoma differ from angle-closure glaucoma?
Glaucoma is a progressive optic neuropathy that produces characteristic anatomical changes in the optic nerve and corresponding loss of…
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What does it mean to have a “dirty” intraocular lens?
The expression “a dirty intraocular lens” is sometimes used to describe clouding of the back of the capsular bag where…
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Questions and Guidance
At what age and how often should I see an ophthalmologist?
Vision screening continues to be carried out regularly by the paediatrician between 6 months and one year of age.
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Questions and Guidance
How is glaucoma treated?
As there is no definitive cure, the main aim of glaucoma treatment is to reduce risk factors for progression. Among…
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Questions and Guidance
How is glaucoma detected?
The most common types of glaucoma, open-angle glaucoma, are usually symptom-free. Early diagnosis is therefore generally made by an…
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What is glaucoma?
The optic nerve (ON) carries images captured by the eye to the brain. As nervous tissue, the ON consists of millions of…
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Surgery
Which lens is best for my cataract or lens surgery?
Surgery on the natural lens offers an opportunity to correct the eye's existing refractive error. To do this…
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Questions and Guidance
What are the risk factors for glaucoma?
Eye conditions: high myopia, pseudoexfoliation, uveitis, injury, retinal and corneal surgery, haemorrhage
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Questions and Guidance
Which symptoms should I watch for if glaucoma is suspected?
The vast majority of glaucomas are completely symptom-free. Several factors contribute to this:
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Questions and Guidance
I have relatives who are blind from glaucoma. Is the same likely to happen to me?
Many factors help determine the prognosis of glaucoma. Because the disease has no symptoms and established damage is…
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Is open-angle or angle-closure glaucoma worse?
There is no universal rule. Around 75% of glaucoma is open-angle, with the rest being narrow-angle or angle-closure. Although less…
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Questions and Guidance
Can laser treatment or surgery cure my glaucoma?
Generally, no. Laser and surgical treatments aim to optimise control of intraocular pressure, thereby limiting the progression of…
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Questions and Guidance
Can vision or visual field lost to glaucoma be restored?
Vision loss caused by optic nerve damage in glaucoma is irreversible. Available treatments aim to control intraocular pressure and…
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Questions and Guidance
Does having glaucoma mean I will go blind?
Glaucoma is undoubtedly a major problem nationally and worldwide, but fortunately blindness affects only a minority of treated patients.
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Questions and Guidance
How do I apply eye drops or ointment?
• Wash your hands • Sit or lie down with your head tilted back • Gently lower the bottom eyelid and apply the drop or…
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Questions and Guidance
Low vision – Disability
Information on low vision, support and visual disability. Download the information document Association for Blind and Partially Sighted People –…
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Questions and Guidance
Driving licence
Vision assessment forms part of the assessment of fitness to drive. When necessary, an ophthalmology consultation can document visual function and…
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Questions and Guidance
Information for contact lens wearers
Read the care guide for contact lens wearers. Download the contact lens guide
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Questions and Guidance
After cataract surgery
After cataract surgery, follow the individual instructions given by your surgical team.
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Surgery
Canaloplasty
Canaloplasty is a non-penetrating glaucoma operation intended to restore and improve physiological drainage of aqueous humour.
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Surgery
Cataract surgery – Challenging cases
In clinical practice, routine cataract surgery has become a very predictable procedure. However, some surgical cases remain particularly challenging.
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Surgery
Refractive lens surgery
Refractive lens surgery is the most commonly used surgical method to achieve independence from glasses in patients with presbyopia (loss of near…
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Surgery
FemtoLASIK and PRK
Explore the differences between FemtoLASIK and PRK in a comparative animation of laser refractive surgery.
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Surgery
Glaucoma drainage implants
PRESERFLO, Ahmed FP7, PAUL and ClearPath: discover the implants I use and see how they help drain aqueous humour.
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Surgery
Deep sclerectomy
Deep sclerectomy is the most widely used non-penetrating glaucoma operation worldwide.
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Surgery
Phakic lens implantation
Lens implantation in a phakic eye, one that retains its natural lens, is usually used to correct refractive errors in patients who are not…
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Safer trabeculectomy
Learn about safer trabeculectomy and explore an animation of drainage controlled by a scleral flap, following an approach similar to Moorfields Safer Surgery.
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Verion and Callisto
Alcon – VERION and ZEISS CALLISTO eye: digital guidance systems I use to support cataract surgery and alignment of toric intraocular lenses.
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