Ocular allergy encompasses an inflammatory reaction of the surface of the eye that is caused by inappropriate response of the ocular surface to various environmental allergens. Since the majority of this inflammation involves the conjunctiva, the term “allergic conjunctivitis” is often used interchangeably with ocular allergies. Ocular allergy is a common problem that affects people of all ages...

Traditionally, ocular surface cytology is studied with techniques such as spatula technology and brush technology. The problem with these techniques is that they may induce traumatic lesions on the surface of the eye, which can progress to scarring, eyelid deformity, limbal stem cell deficiency and in some cases, cause great discomfort to the subject. To avoid these clinical problems, impressio...

Conjunctivitis, also known as pink eye, is a conjunctival inflammation. It brought on by bacteria, viruses, toxins, and allergies, including coronaviruses, the most frequent reason being allergic conjunctivitis (AC), which exposure to pollutants like pollen, animal hair, or mold. The primary contributor it linkage of immunoglobulin E caused allergens receptors stimulated mast cells. As conseque...