Results 111 to 120 of about 6,539 (153)

Ocular ischemic syndrome secondary to carotid artery disease: a comprehensive review addressing critical early detection, management, and education. [PDF]

Front Ophthalmol (Lausanne)
Ávila-Figueroa E, Flores-Calvo M, Sánchez-Rodríguez CC, Domínguez-Varela IA, Salazar-Ramírez P, Zamora Cortina F, Tena-Betancourt FE, Anaya-Ayala JE.   +7 more
europepmc   +1 more source

Integrated Instrumentation of a Direct Ophthalmoscope

, 2016
openaire   +1 more source

Decolonising the 'red' reflex test: transitioning from terminology based on colour to anatomy. [PDF]

Eye (Lond)
Kelly C, Anderson M, Smith H, Kousha O, Hitchcott N, Reddy MA, Blaikie A.   +6 more
europepmc   +1 more source

RETINAL PHOTORECEPTORS AND ARTERIOLES ALTERATIONS DETECTED USING ADAPTIVE OPTICS SCANNING LASER OPHTHALMOSCOPY IN DIABETES AND DIABETIC RETINOPATHY. [PDF]

Retina
Su T, Lai C, Du Z, Cao J, Wang Y, Wang S, Li Q, Wu Q, Hu Y, Fang Y, Zhang X, Yu H.   +11 more
europepmc   +1 more source

Structured simulation-based training with frugal ophthalmic instruments rapidly equips non-ophthalmologists to identify malarial retinopathy

Wilson KJ, Kousha O, Nkume H, Liomba AM, Beare NA, Blaikie A.   +5 more
europepmc   +1 more source

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Binocular Direct Ophthalmoscope

JAMA Ophthalmology, 1969
In the study of small areas of the fundus as the disc and macula, depth relationships may be of considerable importance. A binocular direct ophthalmoscope has been designed to accomplish such observation with greater simplicity than other techniques. The instrument produces a magnification of 15 times, an excellent stereoscopic effect, and is hand held.
David D Donaldson, D D Donaldson
exaly   +3 more sources

Comparison Study of Funduscopic Examination Using a Smartphone-Based Digital Ophthalmoscope and the Direct Ophthalmoscope

Journal of Pediatric Ophthalmology and Strabismus, 2018
Purpose: To assess the ease of use of the D-EYE digital ophthalmoscope (D-EYE Srl, Padova, Italy) in retinal screening against the conventional direct ophthalmoscope. The digital ophthalmoscope used comprised a smartphone equipped with a D-EYE lens that produces digital retinal images. Methods:
Amy Ruomei, Wu, Samiksha, Fouzdar-Jain, Donny W, Suh   +2 more
exaly   +3 more sources

Comparison between the Arclight Ophthalmoscope and a standard handheld direct ophthalmoscope: a clinical study

Current Developments in Lens Design and Optical Engineering XIX, 2018
The direct ophthalmoscope, a handheld device gives a highly magnified image of the retina. However, the sustainability of power source and cost are a limitation considering the usage demand. We compared a low-cost solar-powered Arclight ophthalmoscope with a standard ophthalmoscope Heine K180 in terms of ease of examination, usage, field of view, color
Vasudevan Lakshminarayanan, Mohana Kuppuswamy Parthasarathy   +1 more
exaly   +2 more sources

Ocular Torsion-Direct Measurement With Indirect Ophthalmoscope and Protractor

Journal of Pediatric Ophthalmology and Strabismus, 1992
ABSTRACT Objective measurement of the optic nerve head (ONH)foveal angle, representing the torsional status of 40 eyes in 20 normal patients, was performed by fundus photography and compared to a method utilizing an indirect ophthalmoscope and protractor described herein.
William P Madigan
exaly   +3 more sources