This article on Epainassist.com has been reviewed by a medical professional, as well as checked for facts, to assure the readers the best possible accuracy.

We follow a strict editorial policy and we have a zero-tolerance policy regarding any level of plagiarism. Our articles are resourced from reputable online pages. This article may contains scientific references. The numbers in the parentheses (1, 2, 3) are clickable links to peer-reviewed scientific papers.

The feedback link “Was this Article Helpful” on this page can be used to report content that is not accurate, up-to-date or questionable in any manner.

This article does not provide medical advice.


Subconjunctival Hemorrhage : Causes, Symptoms, Treatment, Diagnosis

“Our eyes are the precious gems which shine with the beauty of the world” Any impairment or diseased condition in eyes can be a matter of concern for any individual. Subconjunctival hemorrhage or bleeding under the conjunctiva is one condition of the eye which may worry you when you get to notice the same. However, it usually is not harmful. To know more about it; we will go through this article which would talk about the causes, symptoms, and treatment for Subconjunctival Hemorrhage.

Subconjunctival Hemorrhage

What is Subconjunctival Hemorrhage?

The outermost protective coating of the eyeball is known as Conjunctiva. It is the thin, transparent and moist membrane covering the white portion of the eye(known as sclera) and the inside of the eyelids. Conjunctiva comprises many nerves and small blood vessels. These tiny blood vessels in conjunctiva are rarely visible but when inflamed, they get larger and more visible. Because the blood vessels are pretty fragile, their walls may easily break and result in the bleeding under the conjunctiva known as the Subconjunctival hemorrhage. It is also known as Subconjunctival haemorrhage, Hyposphagma etc. This condition in the eye would usually appear as a bright red or dark red patch on the sclera of the eye and can be noticed when properly seen in the mirror.

Though a subconjunctival hemorrhage may worry you when you notice for the first time, it must be informed that it is usually a harmless condition and would disappear in one or two weeks. It must be noted that a subconjunctival hemorrhage may be the result of a strong sneeze or harsh cough, straining due to constipation, etc; that may cause the blood vessels in the conjunctiva break. Usually no treatments are required for treating a subconjuctival hemorrhage.

What Causes Subconjunctival Hemorrhage?

Most of the subconjuctival haemorrhages are spontaneous and has no obvious cause for the bleeding that occurs from the conjunctival blood vessels. However some of the conditions which can result in the appearance of a spontaneous subconjunctival hemorrhage may be as follows.

  • Excessive or powerful sneezing can cause Subconjuctival hemorrhage.
  • Harsh coughing
  • Rubbing the eye hard
  • Vomiting
  • Heavy lifting
  • Straining during constipation can also cause Subconjuctival hemorrhage
  • Injury or trauma
  • High blood pressure
  • Bleeding disorder
  • Medical disorder which can cause bleeding or inhibiting normal blood clotting can also result in Subconjuctival hemorrhage.
  • Subconjuctival hemorrhage in infants may be caused due to vitamin C deficiency or scurvy.
  • Blood thinners like Aspirin and Warfarin may sometime also cause subconjuctival hemorrhage.
  • Also to be noted that a non spontaneous hemorrhage can also occur as a result of a serious infection of eye, trauma or injury to eye or head or even after eye or eyelids surgery.

What are the Symptoms of Subconjunctival Hemorrhage?

Though Subconjunctival hemorrhage usually is benign and cause no vision problems or any significant discomfort in the eye, there may be some symptoms seen or experienced at times. Below we will take a look on some of the symptoms of Subconjuctival hemorrhage.

  • There may be redness in eye. It must be noted that eye redness may also be a dangerous sign and may depict about some other serious eye conditions. It must be noted that in case of eye redness along with eye discharge, make an immediate doctor’s visit so as to diagnose the exact eye condition and accordingly get treated.
  • Subconjunctival hemorrhage shows similar appearance as the bruises on the skin. Here, it is like bruise in the eye. It usually may appear like a single concentrated red colored spot or appear like many red spots in the white of eye.

Tests and Diagnosis for Subconjuctival Hemorrhage:

There are no special tests or diagnosis procedures for detecting the condition of Subconjunctival hemorrhage. Your eye doctor would generally know about the condition by having a physical examination of your eye. He or she may also ask you about your general health and symptoms, take your blood pressure, conduct an eye examination and obtain a routine blood test so as to make sure you do not suffer from any potentially severe bleeding disorder.

How is Subconjunctival Hemorrhage Treated?

How is Subconjunctival Hemorrhage Treated?

As mentioned earlier that Subconjunctival hemorrhage is not a serious condition and may not require serious treatments in most cases as it may disappear in a week or two weeks of time on its own. However, treatments would be required in case the bleeding is caused due to a significant trauma or an infection of the eye.

  • Artificial tears may be applied 4-6 times in a day. This can sooth the eyes, (though broken blood vessels cannot be repaired by eye drops.). Artificial tears to treat subconjunctival hemorrhage may be prescribed by your ophthalmologist in case you have irritation in eyes along with eye redness.
  • It is to be informed that aspirin and NSAIDs are not to be used.
  • Do not rub your eyes if you have a subconjuctival hemorrhage as it can worsen the condition.
  • Be sure you are informing your doctor in case you did not have a blood pressure check recently, or if you suspect an eye injury can be the cause of the Subconjuctival hemorrhage or if you have noticed any other unusual bruise or bleeding in the body.

Prevention for Subconjunctival Hemorrhage:

Usually there is no way to prevent Subconjuctival hemorrhage as most of the times there are no obvious causes. However one can be cautious if he or she is known to some identifiable cause that may lead to bleeding in conjunctival vessels, like if the person is taking blood thinners, or if he or she has a bleeding disorder etc.

It must be noted that as rubbing of eyes can cause minor trauma to the eyes and cause a subconjunctival hemorrhage, so one must be careful while rubbing his or her eyes and may rub the eyes gently in case necessary.

Make a note to contact an expert professional in case you have redness in eye for a long period or if there is eye irritation or eye discharges.


  1. American Academy of Ophthalmology. (2021). Subconjunctival Hemorrhage. https://www.aao.org/eye-health/diseases/subconjunctival-hemorrhage
  2. Healthline. (2021). Subconjunctival Hemorrhage: Causes, Symptoms, and Treatment. https://www.healthline.com/health/subconjunctival-hemorrhage

Also Read:

Pramod Kerkar, M.D., FFARCSI, DA
Pramod Kerkar, M.D., FFARCSI, DA
Written, Edited or Reviewed By: Pramod Kerkar, M.D., FFARCSI, DA Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:August 22, 2023

Recent Posts

Related Posts