Eyes Common Problems

Overview

Common eye problems are the everyday things that can affect your sight or make your eyes feel uncomfortable. They include eyes that are red, itchy or watery, eyes that feel dry or gritty, blurred vision, and changes in sight as you get older. Some eye problems are mild and clear up on their own, while others need help from an optician (a specialist who tests eyes and fits glasses) or a doctor. Your eyes work hard all day, so it is not surprising they sometimes need attention.

Very common. Almost everyone will have a red, itchy or watery eye at some point, and most people need reading glasses or a change in their glasses prescription as they get older. Eye problems are one of the most frequent reasons people visit a pharmacist, optician or family doctor.

Anyone can get eye problems, at any age. Some are more likely in children (such as a squint, or a lazy eye), some are linked to screen work and contact lens use in younger adults, and many become more common with age, such as cataracts (clouding of the eye's lens), dry eyes and age-related macular degeneration (loss of detailed central vision). People with diabetes, people who smoke, and people with a family history of eye disease are at higher risk.

Symptoms

Common symptoms

• Blurred or fuzzy vision, or needing to squint to see clearly
• Red, bloodshot eyes
• Itching, burning or a gritty feeling, like there is sand in the eye
• Watery eyes or a sticky discharge, especially in the morning
• Eye pain or soreness
• Sensitivity to light
• A swollen or tender eyelid, or a small lump on the eyelid
• Seeing tiny specks or 'floaters' drifting across your vision
• Headaches or tired eyes after reading or using screens
• Eyes that feel dry, or that water more than usual

Symptoms in children

• Sitting very close to the television or holding books and phones close to the face
• Squinting, tilting the head, or covering one eye to see
• Rubbing the eyes a lot, or complaining of sore or tired eyes
• One eye turning in or out (a squint)
• A white or cloudy reflection in the pupil, which needs urgent checking
• Watery, sticky eyes in a baby or young child
• Falling behind at school, losing concentration, or complaining of headaches
• Not responding when something is shown at a distance

Symptoms in older adults

• Sight slowly becoming cloudy, dimmer or more yellowed (a common sign of cataract)
• Straight lines looking wavy, or a blurry or blank patch in the middle of your vision
• Needing much brighter light to read, or finding glare and halos around lights difficult
• Eyes that feel dry, sore or gritty, especially in the evening
• More floaters than usual, or new flashes of light
• Difficulty telling the difference between similar colours, or trouble seeing steps and kerbs
• Double vision, or a drooping eyelid

Causes

Main causes

• Refractive errors — when the shape of your eye stops light focusing clearly, causing short-sight, long-sight or astigmatism (where the eye is slightly rugby-ball shaped)
• Getting older — the lens becomes stiffer and cloudier, and the muscles that focus the eye weaken
• Infection or allergy — conjunctivitis (inflammation of the thin clear skin over the eye) caused by a virus, bacteria or an allergy like hay fever
• Blocked or inflamed oil glands in the eyelids — causing styes (small tender lumps) and blepharitis (red, crusty eyelid rims)
• Dry eye — not enough tears, or tears that dry up too quickly, often from screens, heating, air conditioning or some medicines
• Raised pressure inside the eye, which can damage the optic nerve over time (glaucoma)
• Long-term health conditions such as diabetes, which can affect the small blood vessels in the eye
• Contact lens wear, eye strain from close work, sun exposure, smoking, and eye injuries

Risk factors

• Getting older (most eye problems become more common after 50)
• A close relative with glaucoma, macular degeneration or very short sight
• Diabetes or high blood pressure
• Smoking
• Long hours looking at screens without breaks
• Wearing contact lenses, especially if you sometimes sleep in them or clean them with water
• Strong sun exposure without sunglasses
• Some medicines, such as long-term steroid tablets or drops
• Previous eye injury or eye surgery

When to see a doctor

See a doctor urgently if:

• Sudden change in your vision, even if it partly recovers
• Severe eye pain, or an eye that is very red and light-sensitive
• A chemical splash or something sharp in the eye
• Flashes, a sudden shower of floaters, or a shadow across your vision
• A painful red eye while wearing contact lenses
• Swelling or redness spreading around the eye, or a fever with an eye problem
• A white or cloudy reflection in a child's pupil
• A sudden squint, drooping eyelid or double vision

Book a routine appointment if:

• Blurred vision or headaches that come on slowly, or over weeks
• Eyes that often feel dry, gritty, itchy or watery
• A stye or eyelid bump that has not settled after a couple of weeks
• Needing to hold things further away to read
• New or worsening floaters without other symptoms
• Changes in how you see colours, or trouble seeing at night
• It has been more than two years since your last eye test — or one year if you have diabetes or a family history of eye disease

Diagnosis

Most eye problems are diagnosed with a simple conversation about your symptoms and a short eye examination. An optometrist (an eye care specialist on the high street) or a doctor will look closely at your eyes, check how well you see, and sometimes use special drops to widen your pupils so they can see the back of your eye. This is usually quick and painless. If needed, they will refer you to an ophthalmologist, a doctor who specialises in eye conditions, for more detailed tests.

Tests that may be done

• A sight test, where you read letters from a chart with each eye
• A slit lamp examination — a special microscope with a bright light that lets the clinician see the front and inside of your eye
• Eye pressure check (a quick puff of air or a gentle touch on the eye) to look for glaucoma
• Drops to widen the pupil so the back of the eye can be seen clearly
• A photo or scan of the retina (the light-sensitive layer at the back of the eye)
• A check of your side (peripheral) vision
• Colour vision and contrast tests
• Blood tests, if a health condition such as diabetes or an infection is suspected

What to expect at your appointment

The tests are usually quick and do not hurt, though the drops may sting briefly and leave your vision blurry and sensitive to light for a few hours. You may not be able to drive home afterwards, so it helps to bring sunglasses and, if possible, someone with you. Bring a list of any medicines you take and your current glasses or contact lens details. You should usually get an explanation of what was found on the same day.

Treatment

Treatment depends entirely on what is causing the problem. Many common eye problems are helped by simple self-care — resting your eyes, warm compresses, lubricating drops or a new glasses prescription. Others clear up on their own. For more serious problems, an eye specialist can offer drops, other medicines, laser treatment or surgery. Your clinician will explain the options and what is likely to help you most.

Self-care at home

• Follow the 20-20-20 rule for screen work: every 20 minutes, look at something 20 feet (about 6 metres) away for 20 seconds
• Use a warm compress on the closed eyelid for a few minutes, once or twice a day, to loosen blocked oil glands
• Gently clean crusty eyelid edges with a clean, warm, damp cloth or eyelid wipe
• Use lubricating (artificial tear) eye drops or sprays if your eyes feel dry — ask your pharmacist which type suits you
• Blink often and take regular breaks during close work or screen use
• Do not rub your eyes, and never share towels or eye make-up if you have an infection
• Follow contact lens cleaning and replacement instructions exactly, and never use tap water on lenses
• Wear sunglasses with UV protection on bright days, and safety glasses for DIY or sport
• Keep rooms well lit and adjust screen brightness and text size to suit you
• Get plenty of sleep and drink enough water

Medical treatments

Treatment is matched to the cause. For infections, a clinician may prescribe antibiotic or antiviral eye drops or ointment. For allergies, antihistamine drops or tablets and avoiding the trigger can help. For dry eye, lubricating drops, gels or ointments, plus advice about screens and heating, are usually enough. For glaucoma, regular prescription eye drops lower the pressure inside the eye, and laser treatment or surgery may be offered. For age-related macular degeneration, special injections into the eye or laser treatment can slow changes. Cataracts are treated with surgery when glasses no longer help enough. Glasses or contact lenses correct focusing problems. Your clinician will explain the benefits, risks and alternatives before you decide.

When is surgery considered?

Surgery is only needed for some eye problems. It is commonly used for cataracts, for some types of glaucoma, for a retinal detachment or tear, for certain eyelid problems such as a persistent stye or cyst, for a squint in children or adults, and sometimes for age-related macular degeneration. Most eye surgery is done as a day case under local anaesthetic, and recovery is often quicker than people expect. Your specialist will discuss whether surgery is right for you.

Living with this condition

Most people carry on with everyday life while managing an eye problem. Simple adjustments make a big difference: better lighting, larger text on phones and tablets, a magnifier for small print, and keeping your glasses clean and up to date. If your sight changes, you may need to check the rules about driving — in the UK, you must tell the driving agency about certain eye conditions, and you must always be able to read a number plate at the required distance. Ask your optician if you are unsure.

Lifestyle tips

• Have an eye test at least every two years, or more often if advised
• Stop smoking — it is one of the biggest preventable risk factors for eye disease
• Take regular screen breaks and set up your desk so the screen is roughly at eye level
• Wear sunglasses that block UV light when outdoors
• Protect your eyes with safety glasses when doing DIY, gardening or sport
• Keep blood sugar and blood pressure well controlled if you have diabetes or high blood pressure
• Keep contact lenses and cases clean, and replace them as instructed
• Use good lighting at home, especially on stairs, and reduce glare with blinds or lampshades

Diet and exercise

Eating a balanced diet with plenty of fruit and vegetables — especially leafy greens — plus oily fish, nuts and seeds gives your eyes good nutrients. Regular physical activity helps your circulation and helps keep blood pressure and blood sugar healthy, which protects the small blood vessels in the eye. Staying active and keeping to a healthy weight also lowers the risk of diabetes, which is a major cause of sight loss.

Mental health and emotional wellbeing

Worrying about your sight is very common, and it can affect sleep, mood and confidence. Some people feel low or anxious when their vision changes, especially if it affects reading, driving or work. These feelings are understandable and treatable — talking to your optician, GP or a counsellor really helps. If you ever feel hopeless or have thoughts of harming yourself, please reach out for help straight away: contact your local emergency number, a crisis line in your country, or a trusted person who can stay with you.

Prevention

Not all eye problems can be prevented, but many can be delayed or made less likely. Regular eye tests are the single most useful step, because they pick up problems like glaucoma or diabetic changes early, when treatment works best. Not smoking, protecting your eyes from sun and injury, keeping blood sugar and blood pressure healthy, and taking care of your contact lenses all make a real difference.

Screening programmes

Free or low-cost eye tests are available in many countries and are recommended at least every two years for most adults. In the UK, the NHS offers diabetic eye screening every one to two years for people with diabetes, and newborn and school-entry vision checks for children. People with a strong family history of glaucoma may be offered extra checks. Ask your optician or GP what applies to you.

Complications

If left untreated

• Some eye problems, such as glaucoma or a retinal detachment, can cause permanent sight loss if they are not treated quickly
• An eye infection, especially with contact lens wear, can damage the clear front surface of the eye
• A lazy eye (amblyopia) in a child can become permanent if it is not picked up early
• Diabetes-related eye changes and macular degeneration can slowly reduce central vision
• Untreated dry eye or blepharitis can cause ongoing discomfort and infections
• In rare cases, infection around the eye can spread to deeper tissues and needs urgent treatment

Long-term outlook

The outlook for most common eye problems is good. Many clear up on their own within days, and others are well controlled with simple measures, glasses or drops. Serious eye conditions are often manageable, particularly when found early — this is why regular eye tests matter so much. If your sight does change, there is a lot of practical help available, and many people carry on with work, hobbies and independence with the right support.

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