RESUMEN
Visualization of the iridocorneal angle, which contains the aqueous humor circulatory system and controls intraocular pressure, is important for diagnosing and managing glaucoma; however, the presence of keratoconus, keratoglobus, or severe myopia may enable direct angle visualization without gonioscopy contact lenses or applying a coupling gel. We present the first report of a case in which the iridocorneal angle was viewed directly in an eye with keratoconus using the RetCam without applying gel to the cornea. This method overcame the inability to view the angle directly in a normal eye because of the total internal reflection.
RESUMEN
@#AIM: To investigate the ability of Retcam3 in screening the retinopathy of prematurity(ROP)and its relationship with the change of intraocular pressure.<p>METHODS: A total of 80 premature infants who met the screening criteria admitted to our hospital from August 2017 to August 2019 were selected as subjects. They were screened by binocular indirect ophthalmoscope and Retcam3 system respectively. The former method was chosen as the gold standard, the sensitivity, specificity, positive and negative predictive values of Retcam3 system screening was calculated, the intraocular pressure changes before and after screening was compared. <p>RESULTS:A total of 37 children with ROP were examined by binocular indirect ophthalmoscopy. 35 infants with ROP were screened by Retcam3 system. The sensitivity of Retcam3 was 100%, the specificity was 95.8%, and the positive predictive value was 94.2%, the negative predictive value is 100%. The intraocular pressure of left eye and right eye after Retcam3 screening was higher than that before dilation, and the difference was statistically significant(<i>P</i><0.05).<p>CONCLUSION: The Retcam3 system can accurately screen patients with ROP, while it can cause an increase in intraocular pressure after screening.
RESUMEN
BACKGROUND: Wide-field imaging plays an increasingly important role in ocular oncology clinics. The purpose of this review is to describe the commonly used wide-field imaging devices and review conditions seen in ocular oncology clinic that underwent wide-field imaging as part of the multimodal evaluation. SUMMARY OF REVIEW: Wide-field or wide-angle imaging is defined as greater than 50° field of view. Modern devices can reach far beyond this reporting fields of view up to 267°, when utilizing montage features, with increasingly impressive resolution. Wide-field imaging modalities include fundus photography, fluorescein angiography (FA), fundus autofluorescence (FAF), indocyanine angiography (ICG), spectral domain optical coherence tomography (SD-OCT), and recently wide-field OCT Angiography (OCTA). These imaging modalities are increasingly prevalent in practice. The wide-field systems include laser, optical, and lens based systems that are contact or non-contact lens systems each with its own benefits and drawbacks. The purpose of this review is to discuss commonly used wide-field imaging modalities for retinal and choroidal tumors and demonstrate the use of various widefield imaging modalities in select ocular oncology cases. CONCLUSIONS: Clinical examination remains the gold standard for the evaluation of choroidal and retinal tumors. Wide-field imaging plays an important role in ocular oncology for initial documentation, surgical planning, determining the relationship of the tumor to adjacent ocular structures, following tumor size after treatment, and monitoring for recurrence.