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Close-up of a person's open eye showing the glossy tear film across the surface in soft daylight

Tear film layers explained: lipid, aqueous and ...

The tear film is usually taught as three layers: an oily lipid layer on the outside, a watery aqueous layer in the middle, and a mucin layer gripping the surface...

Tear film layers explained: lipid, aqueous and ...

The tear film is usually taught as three layers: an oily lipid layer on the outside, a watery aqueous layer in the middle, and a mucin layer gripping the surface...

Optometrist examining a patient's eyelids at a slit lamp during a dry eye assessment

How do I know if I have meibomian gland dysfunc...

You cannot diagnose meibomian gland dysfunction from the outside, but you can recognise the pattern that should send you for an examination. The picture is grittiness rather than dryness, worse...

How do I know if I have meibomian gland dysfunc...

You cannot diagnose meibomian gland dysfunction from the outside, but you can recognise the pattern that should send you for an examination. The picture is grittiness rather than dryness, worse...

Optometrist examining a patient's eyelid margin at the slit lamp during a dry eye assessment

MGD stages: how severe is my meibomian gland dy...

Meibomian gland dysfunction is usually described in four stages, set out by the 2011 International Workshop on MGD. They run from stage 1, where an optometrist can find signs on...

MGD stages: how severe is my meibomian gland dy...

Meibomian gland dysfunction is usually described in four stages, set out by the 2011 International Workshop on MGD. They run from stage 1, where an optometrist can find signs on...

Person at a mirror rolling a clean cotton bud gently along the lower eyelid towards the lashes

Meibomian gland expression at home: a careful h...

Meibomian gland expression at home is the second half of a warm compress routine. Heat softens the oil sitting in the glands; expression is the gentle, steady pressure along the...

Meibomian gland expression at home: a careful h...

Meibomian gland expression at home is the second half of a warm compress routine. Heat softens the oil sitting in the glands; expression is the gentle, steady pressure along the...

Optometrist reviewing an infrared meibography image of a patient's everted eyelid on screen

Meibography: what it shows about your meibomian...

Meibography is an infrared photograph of the oil glands inside your eyelid. The lid is turned outwards, infrared light is used instead of visible light, and the meibomian glands appear...

Meibography: what it shows about your meibomian...

Meibography is an infrared photograph of the oil glands inside your eyelid. The lid is turned outwards, infrared light is used instead of visible light, and the meibomian glands appear...

Close-up of a person gently pressing along the lower eyelid margin after warming the lids

How to unblock meibomian glands: heat, expressi...

Blocked meibomian glands clear in a set order: heat first, then gentle expression, then cleaning the lid margin. Heat softens the thickened oil so it can move, a light squeeze...

How to unblock meibomian glands: heat, expressi...

Blocked meibomian glands clear in a set order: heat first, then gentle expression, then cleaning the lid margin. Heat softens the thickened oil so it can move, a light squeeze...