What is Conjunctival Cyst

Conjunctival Cyst is an eye infection. This infection creates a sac or thin wall containing fluid. The vesicle or sac created by this infection could exist on the upper surface or below the conjunctiva surface. As this is related to the eye layer called the conjunctiva that’s why it is called a conjunctival cyst.

Conjunctival Cyst
fluid filled bubble on 


Conjunctiva is the transparent fluidic layer present beneath the eyelid, most importantly it covers the white area of the eyeball. It serves as a safety barrier that doesn’t let external particles or germ enter inside. It also keeps the eye fluidic or lubricated and these can be considered its two vital functions.


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What are the symptoms, causes, and types of conjunctival cyst ?

If we talk about the symptoms of conjunctival cyst then it is an asymptomatic ailment which means there are little to no symptoms to a person infected with this, especially at the initial stage of its development. But the infected person at the extreme stage can experience the following symptoms.

  • Dryness and Itchiness in the eye.
  • inflammation at the external surface of the eye or the eyelid.
  • The complication in the blinking eye.
  • burning sensation with fluid filled bubble on eyeball.

Yet there are only two types of conjunctival cyst known (Inclusion and retention cyst)to scientists and these two types occur due to only two causes which are as follows.

1. Eye inclusion cysts

The inclusion type of cyst of eye inclusion cysts occurs when the epithelium tissue at the top conjunctiva layer folds into and touches the connective tissue of the conjunctiva.

2. Conjunctival retention cyst

Retention cyst eyeball occurs due to the blockage of the duct which further causes eye secretions, actually these secretions are the main cause of the cyst.

How long does a conjunctival cyst last

Some of the conjunctival require no treatment and they get resolved itself as the time passes, but there are some categories that don’t get resolved and required a proper treatment which may includes some medications and some surgical operations.

What are some rare eye diseases

Including Conjunctival cyst there are many rare eye diseases but exist:

  • Retinoblastoma disease.
  • Coloboma disease.
  • Behcet’s disease.
  • Idiopathic intracranial hypertension.
  • Retinitis pigmentosa.
  • Usher syndrome.
  • Stargardt Disease.
  • Bietti’s crystalline dystrophy.
  • Microphthalmia & Anophthalmia.


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