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Why should you place eye drops in the lower conjunctival sac?
Placing eye drops in the lower conjunctival sac helps to ensure that the medication comes into contact with the cornea and gets absorbed effectively. This method also minimizes wastage and reduces the risk of contamination.
What is a fluid-filled sac that surrounds an embryo?
A fluid-filled sac that surrounds an embryo is called an amniotic sac. This sac contains amniotic fluid, which provides protection and cushioning for the developing embryo.
Do identical twins share a sac during pregnancy?
Identical twins do not share a sac during pregnancy. They each have their own amniotic sac and placenta.
Yeast and truffles are what type of fungi?
Yeast and truffles are part of the sac fungi. Also included in the sac fungi are penicillium and morels.
What is the relationship between the number of cells within an embryo sac and the number of nuclei within the embryo sac?
The number of cells within an embryo sac is typically equal to the number of nuclei within the embryo sac. This is because each cell of the embryo sac contains one nucleus, and during the process of embryo sac development, the number of cells and nuclei increase concurrently.
Where part of the eye is glaucoma eye drops administered into?
conjunctival sac
Why should eye drops be instilled into the lower conjunctival sac?
to prevent injury to the cornea
Why should you place eye drops in the lower conjunctival sac?
Placing eye drops in the lower conjunctival sac helps to ensure that the medication comes into contact with the cornea and gets absorbed effectively. This method also minimizes wastage and reduces the risk of contamination.
How can inclusion conjunctivitis be prevented?
The neonatal infection may be prevented by instilling erythromycin ointment in the conjunctival cul-de-sac at birth. It is not prevented by silver nitrate.
What is mucous threads?
mucous thread accumulations of mucus at the conjunctival fornices.
Where are tears stored?
Tears are produced by the lacrimal glands, located above the outer corner of each eye. They are stored in the conjunctival sac, which is the space between the eyeball and the eyelid. When we blink, tears spread across the surface of the eye to keep it moist and are then drained through the lacrimal puncta into the tear ducts.
Does viral hemorrhagic fever cause conjunctival injection?
Yes, viral hemorrhagic fevers (VHFs), such as Ebola and Marburg, can cause conjunctival injection as part of their symptomatology. Conjunctival injection, characterized by redness of the eyes due to dilation of blood vessels, may occur due to the systemic effects of the virus and associated inflammation. This symptom, along with others such as fever, bleeding, and gastrointestinal disturbances, is indicative of the severe nature of these infections. However, conjunctival injection is not always present in every case of VHF.
What is subconjunctival injection?
Medication that is administered under the conjunctiva and then delivered into the bloodstream by episcleral and conjunctival vessel
What disease causes fever mild hypotension flushing conjunctival injection and bad rash?
Smallpox
What is the protective sac around the developing embryo or fetus is the?
The protective sac around the embryo or fetus is the amniotic sac.
How do you measure pH of the eye?
To measure the pH of the eye, a pH indicator strip or microelectrode can be used. The indicator strip is gently placed on the tear film, while a microelectrode can be inserted into the conjunctival sac. Both methods provide an accurate measurement of the eye's surface pH, which typically ranges from 7.0 to 7.4. It's important to ensure that the methods used are safe and do not irritate the eye.
What is purulent opthalima?
Purulent ophthalmia, also known as purulent conjunctivitis, is a severe eye infection characterized by the presence of pus in the conjunctival sac. It often results from bacterial infections, such as those caused by Neisseria gonorrhoeae or Chlamydia trachomatis. Symptoms include redness, swelling, and significant discharge from the eye. Prompt medical treatment is essential to prevent complications, including vision loss.
