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Objective: The aim of the study was to assess the level of knowledge about cataract and its risk factors among an adult population in the Cape Coast metropolis, Ghana.Method: A descriptive cross-sectional study involving 250 participants. Interview of participants was conducted using a structured questionnaire. The questionnaire.. Read More
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Estimation of Crack Mouth Opening Displacement in Concrete Using Optical Fiber Sensors
Concrete is a multi-phase composite material and used widely in construction industry because of high compressive strength and low cost. Its limited tensile strength makes it prone to cracking. Important parameters like characteristic length, fracture energy Gf critical crack width WC are used to understand cracks in concrete. T.. Read More
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Functional Vision with X Chrome Lenses
Purpose: To implement x chrome lens in children Methods: A pilot, cross sectional study was performed in the tertiary eye centre during the period of 1 year. Functional vision like Visual Acuity, Contrast Sensitivity, Stereopsis and color vision of 10 existing x chrome soft contact lenses users were analyzed with and without le.. Read More
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Customized Silicone Hydrogel Lens-A Case Study
We report a case in which customized contact lens were fitted in eyes of a high hypermetropic patient. Initially patient was using a readily available contact lens but complained about not compatible with those lens. In slit lamp examination over the old contact lens revealed those lenses were too loose fit and was folding when .. Read More
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Attitudes and Beliefs of Undergraduate Students to Spectacle Wear
Purpose: The aim of the study was to determine the attitudes and beliefs of KNUST undergraduates to spectacle wear. Method: A descriptive cross-sectional study was done. Close ended questionnaires were distributed to 500 KNUST undergraduates to collect data on their attitudes and beliefs to spectacle wear. Results: A total of .. Read More
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Pattern of Ocular Conditions among Patients Attending an Eye Clinic in Ghana
Purpose: The aim of the study was to determine the pattern of ocular conditions among patients who attended the Salvation Army Eye Clinic at Wiamoase in the Ashanti Region of Ghana in 2016. Method: A retrospective study of all patients attending the Salvation Army eye clinic at Wiamoase in 2016 was done. Results: A total of 10.. Read More
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This paper mainly discusses the system design and establishes the experimental system which conducts realtime off-axis measurement of the human eye’s aberration. The target is installed in the optical path of human eye objective measuring system. When observing the target, the human eye adjusts itself to a relaxing state s.. Read More
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Review: Measurement Techniques for Intraocular Pressure
The literature on intra-ocular pressure dynamics is reviewed, including tonometer design and calibration, the influence of corneal-scleral mechanics, and scleral rigidity factors. Drugs that influence the outflow facility of the trabecular meshwork (TM) are discussed. Transmural pressure drop across the lamina cribosa (LC) is an.. Read More
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Photodynamic Therapy with Verteporfin, a Novel Treatment Option for Retinal Arterial Macroaneurysm
Purpose: To report the novel use of photodynamic therapy (PDT) in a case of retinal arterial macroaneurysm (RAM).Design: Interventional case report.Methods: In the setting of institutional practice, a 76-year male patient presented with rapidly progressive vision loss in his left eye due to RAM. Three treatments of PDT were admi.. Read More
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Background/Aims: To assess the outcomes of Mini monoka lacrimal stent insertion in the management of epiphora in adults caused by inferior or common canalicular duct obstruction or stenosis.Methods: A retrospective study was performed selecting consecutive patients at Hobart Eye Surgeons, from Oct 2007 to Mar ’08 who had M.. Read More
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Pathogenesis of Orderly Loss of Nerve Fibers in Glaucoma
Chronic Glaucoma, commonly known as glaucoma, is a misunderstood disease since given a separate entity in the 1850s. Currently, there are many conflicting views of glaucoma but on one issue we have complete agreement: the million or so densely packed nerve fibers (NFs) in the optic nerve head (ONH) are being destroyed in an orde.. Read More
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Concomitant Intraocular and Orbital Space-Occupied Lesions
Purpose/Background: Concomitant intraocular and orbital space-occupied lesions are relatively rare and this is the first report stressing the underlying causes of concomitant intraocular and intraorbital lesions. In this paper, we present cases showing both intraocular and orbital soft tissue masses and highlight their clinical,.. Read More
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Endophthalmitis Prevention, Diagnostic Procedures and Treatment
Endophthalmitis is a severe inflammation of the inner eye's structures, caused by an exogenous or endogenous infection with microorganisms which can multiply rapidly. It occurs most frequently after intraocular surgery. Moreover, it can also be a consequence of a penetrant eye injury or a hematogenous dissemination of microorgan.. Read More
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Ergonomic Challenges of Employees Using Computers at Work in a Tertiary Institution in Ghana
Objective: Ergonomically designed workstations have direct bearing on the comfort and safety of office computer users. Tremendous usage of computers in most offices of emerging economies have however, not seen accompanying applications of ergonomics in the design of computer workstations despite the numerous benefits. Injuries a.. Read More
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Refractive Errors among Administrative Staff of Senior High Schools in the Kumasi Metropolis
Introduction: Studies in other parts of the world show refractive error as a notable cause of visual impairment. Ghana is not an exception to these findings. Objective: This study focused on determining the types and prevalence of refractive errors among administrative staff of selected senior high schools in the Kumasi Metropo.. Read More
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Moving Toward Consensus Terminology in Ophthalmic Practice
The dual purposes of this review are to point out inherent problems in communication due to lack of consensus terminology, and to review preferred ophthalmic terms or to suggest others in order to improve eye care. With advances in informatics and the ongoing evolution of modern health care delivery, a common lexicon will also i.. Read More
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Objective: Studying some temporal aspects of stereoscopic processing in order to clarify phenomena of stereoscopic persistence and investigate how the brain deals with stereoscopic stimuli that involve various types of clues or difficulties (simple versus complex, with or without oriented elements, with or without curvature, wit.. Read More
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Interpupillary Distance Measurements among Students in the KumasiMetropolis
Objective: The aim was to obtain interpupillary distance (IPD) measurements of students in the Kumasi Metropolis. The study will provide a database for manufacturers of spectacle frames and optical equipment with Ghana as the target population. The IPD is a crucial measure that needs to be considered before frames can be selecte.. Read More
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Background: Anterior vitreous incarceration is a condition in which vitreous prolapses into the anterior chamber and passes through a microscopic wound at an incisional site. The condition can be identified as a vitreous strand leading to the wound site during slit lamp examination. If the vitreous strand penetrates through all .. Read More
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