Aim: Red eye, a frequent cause of presentations to ophthalmology clinics, is an important indicator of ocular inflammation. Although the prognosis is generally good and self-limiting, it is possible to distinguish possible serious conditions and prevent important situations such as blindness, with detailed examination and correct treatment approach. The purpose of this study was to evaluate patients with red eye presenting to the eye diseases clinic in terms of clinical and sociodemographic characteristics. Material-method: The records of patients presenting to the Şanlıurfa Harran University Hospital Ophthalmology Clinic with red eye were investigated retrospectively. Diseases causing red eye were classified according to the International Classification of Diseases (ICD 10) coding system. Demographic characteristics such as age and sex and clinical findings were examined. Results: A total of 2625 patients, 1775 males (67.61%) and 850 females (32.38%), who presented with red eyes, were evaluated. The incidence of viral conjunctivitis, the most frequently observed condition in patients presenting due to red eye, was 15.08% (n=396). The most common cause of red eye resulting in decreased vision and increased intraocular pressure (IOP) was acute angle closure glaucoma (AACG). The most common symptom was stinging-burning (70.36%), and the most frequent finding was follicular hyperplasia (74.17%). Five hundred and seventy-one (21.75%) patients who applied to the clinic with red eye had previously applied to a family physician and 289 patients (11.0%) to an emergency physician. Conclusion: Although prognosis is usually good in red eye, and the condition is self-limiting, the detection of serious conditions through a detailed history, examination, and therapeutic approach can be enhanced with early and appropriate intervention. In addition to family physicians and emergency physicians, the first to examine patients with red eye, important morbidities such as blindness can also be prevented by increasing the awareness of ophthalmologists and cooperation between these.

Aim: The retinal nerve fiber layer (RNFL) thickness and the choroidal thickness is compared to healthy volunteers in vitiligo patients. Material and method: The study included the right eyes of 60 healthy individuals and 60 generalized vitiligo patients. Following routine ophthalmological examination, the RNFL thickness and the choroidal thickness were analyzed with spectral domain optical coherence tomography (SD-OCT). Results: It was determined that the mean macular choroidal thickness decreased significantly in vitiligo patients, while the RNFL thickness did not change (p<0.05). Conclusion: As the fact that the RNFL thickness does not change despite the significantly reduced choroidal thickness in vitiligo patients may indicate that the melanin cells that are dense in the choroid are affected, the non-invasive, simple and rapid measurement of the choroidal thickness with OCT can help in determining the damage in vitiligo patients. Keywords: Vitiligo, choroid, nerve fibers, optical coherence tomography. 1. What is already known about this topic? Melanocytes are found in uveal tissues such as the eyelash, retinal pigment epithelium, choroid, ciliary body, and iris. Melanin in these tissues can disappear when destruction occurs in cutaneous melanocytes in vitiligo patients. As a result, some studies reported hypopigmented spots on the iris and retina, atrophic changes in the peripapillary area, degeneration in the retinal pigment epithelium and chorioretinal areas. Melanin, produced in melanocytes in the choroidal layer and stored in melanosomes, has a crucial role in protecting and absorbing light from intraocular reflection. 2. What does this article add? Although the visual acuity of the patients with vitiligo is at the same level as the control group, we found that the average macular choroid thickness was thinner. We found no significant changes in the choroidal thickness in patients with periocular attitude. We found a negative correlation between the choroidal thickness and the duration of the disease.