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Ten Points A Surgeon Should Know About the Phaco-probe
1. Basic structure of phaco probe Phaco Probe has two attachments (For aspiration & Irrigation) and one wire coming out of back end for power supply and sensors. In the front there is the tip attached to the hand piece, which has a silicon sleeve around it with two apertures. The irrigation tubing are wider in diameter than aspiration and both tubings are colour coded Fig 1 Basic Structure of Phac...Read More
Evaluation of The Optic Nerve Head in Glaucoma
Introduction The diagnosis of primary open-angle glaucoma is based on the triad of increased intraocular pressure, visual field changes and optic nerve head changes. Apart from the glaucomatous changes in the optic nerve head, the other two factors in isolation lack diagnostic sensitivity. In fact, studies have shown that careful evaluation of the optic nerve head has high specificity and that an ...Read More
Ten Tenets of Diagnostic Vitrectomy
Diagnosis of posterior segment inflammatory or infectious disease is mostly based on clinical presentation, ocular imaging and specific laboratory tests. However, in the absence of a characteristic clinical picture of a specific disease the diagnosis of uveitis can be challenging. It has been reported that upto 33% of uveitis remain undiagnosed. Moreover, some of the malignant or infective disease...Read More
Ten mistakes to avoid while testing for RAPD
Introduction: A relative afferent pupillary defect (RAPD) is an important sign that detects a lesion in the afferent pathway of light reflex. It is seen in unilateral or asymmetric bilateral lesions of the retina and optic nerve upto but not involving the chiasm. It has been noted though, even in lesions of optic tract and pretectal afferent fibres of dorsal mid brain. Although the test requires b...Read More
Practical Tips for Retinopathy of Prematurity Screening
Retinopathy of Prematurity (ROP) is a proliferative disease of the retina which affects developing retinal vessels of prematurely born infants. The screening process should be carried out within 1 month of delivery of the infant. Delaying this or missing out on screening could result in the progression of abnormal neovascularization, which can lead to the development of tractional retinal detachme...Read More