Influence of lighting on visual performance.

Purpose: This review emphasizes the effect of light on visual efficiency, the impact of different lighting focuses, types of lighting, and their influence on vision and productivity. Light sources and standards are intriguing subjects for ophthalmologists. Guidelines regarding the level of lighting influence on visual activities can enhance visual performance.

A 15-Year Review of Corneal Transplant in Brazil.

Purpose: To analyze 15-year of corneal transplant in Brazil.

Methods: Cross-sectional, retrospective, observational, and analytical study, between available data from the Brazilian Transplant Registry (January 2002-December 2016), collected by the Brazilian Association of Organ Transplantation was performed. The variables analyzed per year were number of corneal transplants, corneal transplants per million people (pmp), corneal transplant teams, and individuals on the waiting list for corneal transplants.

Corneal involvement in systemic inflammatory diseases.

Corneal involvement in patients with systemic inflammatory disorders may be sight threatening, and it may be associated with a life-threatening disease. Significant systemic inflammatory diseases in this context are autoimmune connective tissue diseases, systemic autoimmune dermatological disorders, and autoimmune diseases of the lacrimal system. Keratoconjunctivitis sicca is usually the most common ocular finding in these patients.

[Epidemiological profile of keratomycosis at the HC-UNICAMP].

Background: Fungal keratitis is an important cause of corneal infection mainly in tropical countries. With high morbidity due to delay in diagnosis, laboratory examination is mandatory in these cases. However, technical difficulties in obtaining samples generate a large number of false negatives.