In the context of less constrained biometrics recognition, the use of information from the vicinity of the eyes (periocular) is considered with high potential and motivated several recent proposals. In this paper, we focus on two factors that are known to degrade the performance of periocular recognition: varying illumination conditions and subjects pose. Hence, this paper has three major purpo...

PURPOSE To develop pharmacokinetics models to describe the disposition of small lipophilic molecules in the cornea and retina after periocular (subconjunctival or posterior subconjunctival) administration. METHODS Compartmental pharmacokinetics analysis was performed on the corneal and retinal data obtained after periocular administration of 3 mg of celecoxib (a selective COX-2 inhibitor) to ...

PURPOSE To determine the extent and the mechanism by which topotecan, a candidate agent for the treatment of retinoblastoma, gains access to the vitreous when administered by periocular injection or intravenous infusion. METHODS In vivo experiments were conducted in which albino rabbits received 1 mg topotecan by periocular injection (POI group; n = 30) or as a 30-minute intravenous infusion ...

In challenging image acquisition settings where the performance of iris recognition algorithms degrades due to poor segmentation of the iris, image blur, specular reflections, and occlusions from eye lids and eye lashes, the periocular region has been shown to offer better recognition rates. However, the definition of a periocular region is subject to interpretation. This paper investigates the...

In this paper, we employ several subspace representations (PCA, UDP, KCFA, and KDA) on our proposed discrete transform encoded local binary patterns (DT-LBP) to match periocular region on a large data set such as NIST’s Face Recognition Grand Challenge (FRGC) ver2.0 database. We strictly follow FRGC EXPERIMENT 4 protocol which involves 1-to-1 matching of 8,014 uncontrolled probe periocular imag...

OBJECTIVE To present the common features of periocular tinea to aid physicians in future diagnosis and therapy of this condition, because superficial fungal infections on the face are often misdiagnosed owing to the diverse morphologies that they manifest. This is especially true of dermatophytoses involving the periocular region. METHODS A retrospective review was performed of patients with ...

objective: to report a case of periocular dirofilariasis. patient and findings: a 27-year-old female referred with history of edema and redness in left eye for two days. on slit-lamp examination, a moving threadlike worm was seen in subconjunctival area. two days later a live filaria worm measuring 12 cm in length was extracted from lower lid subcutaneous tissue. the worm was diagnosed dirofila...

PURPOSE Oral propranolol has become a promising treatment of capillary hemangiomas (CHs) despite concerns of side effects associated with systemic beta-blockers. The objective of this study was to investigate the distribution of propranolol in periocular tissues and in plasma after topical application of propranolol as compared with intravenous and oral administration of propranolol. METHODS ...

BACKGROUND Eyelids are important structures and play a role in protecting the globe from trauma, brightness, in maintaining the integrity of tear films and moving the tears towards the lacrimal drainage system and contribute to aesthetic appearance of the face. Ophthalmic trauma is an important cause of morbidity among individuals and has also been responsible for additional cost of healthcare....