Adverse Reaction is an unexpected and unfavourable reaction to treatment.

Aftercare is the management of care and treatment after eye surgery. It involves regular check-ups and ensuring the patient is aware of what to do if problems occur.

Age-related Macular Degeneration is a common eye condition that usually affects people in their 50s and 60s. The onset of AMD results in decreased vision and sometimes blindness.

Astigmatism is a defect of the eye were the cornea suffers from an irregular curvature, this can lead to blurred and distorted vision at all distances. The cause of astignatism is not clear but it can develop after an injury or eye surgery.

Symptoms include eye strain and headaches, especially after reading and squinting. The condition can be corrected by wearing glasses, contact lenses or refractive surgery.

Blepharitis is a non-contagious eye condition which occurs when the glands around the eyelashes become blocked or infected. Mild blepharitis is a common eye complaint affecting as many as 1 in 3 people in the UK.

Cataract is a clouding of the eye's natural lens, which lies behind the iris and the pupil. Cataracts are the most common cause of vision loss in people over age 40 and is the main cause of blindness in the world. They can be treated by lens replacement surgery.

Complications are problems that patients may experience following eye surgery or treatment include: pain, tenderness, grittiness, glare around lights (halos), double vision, floaters, excessive dry eyes. Complications usually reduce gradually but thet can persist.

Contact Lens is a specially shaped lens used to correct a visual problem which sits in front of the cornea.

Cornea is the cleat front part of the eye that covers the iris and pupil which provides most of the eye’s focusing power.

Consent is the legal requirement that before a surgeon carries out surgery they fully provide the patient of the risks and alternative treatment so by giving the patient an informed choice. Failure to do so is an offence and could result in a medical negligence claim against the surgeon if the patient suffers as a consequence.

Diabetic Retinopathy is a complication of diabetes were high blood suger levels cause damage to the retina.  It can take several years for the condition to threaten vision however diabetic eye screening reduces the risk of injury. There is a range of treatments including laser surgery.

Double Vision, diplopia, is when you look at one object but can see two images. One or both eye can be affected.

Dry Eye Syndrome is a condition where the eyes do not produce enough tears or the tears evaporate too quickly resulting in eye pain and irritation. 

Excimer Laser is a type of ultraviolet laser that removes tissues accurately.  In refractive lens surgery the Excimer Laser is used to make a precise pre-programmed removal of corneal tissue to promote optical correction.

Eyelid is a flap of skin that covers and protects the front of the eye which protect, limits the amount of light entering the pupil and distributes the tear film over the front of the eye.

Field of vision is the area that can be seen without moving the eyes.

Floaters affect vision and appear as dots, lines, cobwebs or spiders. They are common especially as you get older and are not usually serious.

Glassess, also called specticles are optical lenses that are inserted in a frame. Glasses help treat a range of visual diffencies.

Glaucoma is a common eye condition where the optic nerve becomes damaged. There are four types of glaucoma and if not diagnosed and treated promptly it can result in a loss of vision. The condition can develop at any age but it is more common in people in their 70's and 80's. Eye drops, laser surgery or surgery are used to treat glaucoma.

Halo is a type of visual distrubance which appears as a coloured ring or rings around lights. Halos can affect people with eye conditions such as glaucoma and cataracts, halos are also a known complication of laser eye surgery.

Laser Eye Surgery is a visual correction procedure that involves lasers. There are a number of different types of surgery such as LASIK and LASEK. Laser eye surgery is considered a costmetic treatment meaning it is not usually available on the NHS, and is normally carried out in high-street clinics.



YAG treatment

Lens Replacement Surgery


Moorfields Eye Hospital

Mplus X Lens

The corrective lens, Mplus X,  is used by eye surgeons to correct the eyesight of patients. However there have been concerns about the number of patients who did not tolerate the device's causing worsened vision and resulting in successful compensation settlements.

Ocular Health




Phakic IOL


Refractive Lens Exchange

YAG laser treatment

Please note this list is provided as information only and not heath advice.