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Dryness and thickening of the conjunctiva, sometimes following chronic conjunctivitis, disease of the lacrimal apparatus, or vitamin A deficiency.



an affection of the eyes expressed in dryness of the conjunctiva and cornea. It arises as a result of disturbance of tear secretion and chiefly of trophic disturbances. One of the immediate causes of xerophthalmia is avitaminosis A; it may arise in children when there are severe gastrointestinal diseases. The most frequent causes of xerophthalmia are trachoma, pemphigus, and chemical burns of the eyes. It is manifested by a sensation of dryness and pain in the eyes and heaviness of the eyelids; the cornea becomes cloudy and may undergo irreversible cicatricial changes. Vision is decreased.

Xerophthalmia is treated by medication; good results are obtained by transplanting the excretory duct of the parotid gland to the conjunctival sac to restore moisture to the eye.

References in periodicals archive ?
Many reports of dry eye syndrome have focused on patients who had
Clinical research demonstrates that a single oral capsule daily relieves dry eye syndrome within 30 days and provides lasting relief--without risky prescription-drug eye-drops' side-effects.
As explained by Dr Ana Isabel Jimenez, COO and Director of R&D at Sylentis, "the RNA interference on which we are working, could improve the signs and symptoms for patients that suffer from this syndrome, given that this compound could reduce the inflammatory parameters of the eye's surface, could improve the quality of the tear and could reduce the ocular pain associated with dry eye syndrome. We consider that our molecule SYL1001 could be a very effective and important therapeutic alternative for these patients".
According to Dr Kapoor, dry eye syndrome is the fastest growing ophthalmological concern in the UAE, followed by diabetic retinopathy.
Although Dry Eye Syndrome is not a frequent cause of blindness, it has emerged as a public health problem.
To study the prevalence and incidence of dry eye syndrome in eastern Madhya Pradesh region.
[18,19] Patients with dry eye syndrome not only have ocular discomfort but also visual disturbances; therefore, the impact is significant, affecting individual daily activities such as driving and reading, as well as social functioning and productivity, which affects quality of life of the patients.
Liu now leads a team of university researchers addressing the shortcomings of eye drops used to treat dry eye syndrome. This condition is a more common problem for individuals over the age of 50, affecting as much as six percent of the population.
Three eye conditions that are directly influenced by dietary components are dry eye syndrome, cataracts and age-related macular degeneration.
A The symptoms you describe are common to dry eye syndrome, also known as keratocon-junctivitis sicca.
About RGN-259 for the Treatment of Dry Eye Syndrome
Ocular involvement in diabetes, include diabetic retinopathy, neovascular glaucoma, cataract, changes in refractive errors, Ptosis, ophthalmic nerve paralysis and dry eye syndrome. [1]