Results 21 to 30 of about 49,431 (315)

Decision making nomogram for intrastromal corneal ring segments in keratoconus

Indian Journal of Ophthalmology, 2014
Purpose: To create a nomogram for the insertion of intrastromal corneal ring segments (ICRS) (Intacs® ) in eyes with keratoconus. Setting: Tertiary eye care center in South India.
Rohit Shetty, Sharon D′Souza, Sarika Ramachandran, Mathew Kurian, Rudy M M A Nuijts   +4 more
doaj   +1 more source

Scanning the macula for detecting glaucoma

Indian Journal of Ophthalmology, 2014
Background: With the advent of spectral domain optical coherence tomography (SDOCT), there has been a renewed interest in macular region for detection of glaucoma.
Viquar U Begum, Ganesh B Jonnadula, Ravi K Yadav, Uday K Addepalli, Sirisha Senthil, Nikhil S Choudhari, Chandra S Garudadri, Harsha L Rao   +7 more
doaj   +1 more source

Measurements of Light Extinction by Single Aerosol Particles [PDF]

, 2013
A Bessel beam optical trap is combined with continuous wave cavity ringdown spectroscopy to measure the extinction cross section of individual aerosol particles.
Carruthers, Antonia E., Orr-Ewing, Andrew J., Reid, Jonathan P., Walker, Jim S.   +3 more
core   +3 more sources

Posterior corneal surface stability after femtosecond laser-assisted keratomileusis [PDF]

, 2015
The purpose of this study was to evaluate posterior corneal surface variation after femtosecond laser-assisted keratomileusis in patients with myopia and myopic astigmatism. Patients were evaluated by corneal tomography preoperatively and at 1, 6, and 12
Cagini, Carlo, Fiore, Tito, Fruttini, Daniela, Lupidi, Marco, Messina, Marco, Piccinelli, Francesco, SPADEA, LEOPOLDO   +6 more
core   +3 more sources

Differential systemic gene expression profile in patients with diabetic macular edema: Responders versus nonresponders to standard treatment

Indian Journal of Ophthalmology, 2014
Introduction: Diabetic macular edema (DME) is a vision-threatening complication of diabetic retinopathy. The current practice of management is a" trial and error "method of using intravitreal antivascular endothelial growth factor (VEGF)′′ or steroids to
Supriya S Dabir, Debashish Das, Jeyabalan Nallathambi, Shwetha Mangalesh, Naresh Kumar Yadav, Jan S A G Schouten   +5 more
doaj   +1 more source

Optical black hole lasers [PDF]

, 2012
Using numerical simulations we show how to realise an optical black hole laser, i.e. an amplifier formed by travelling refractive index perturbations arranged so as to trap light between a white and a black hole horizon.
Arane, Tal, Faccio, Daniele, Lamperti, Marco, Leonhardt, Ulf   +3 more
core   +1 more source

The KIDROP model of combining strategies for providing retinopathy of prematurity screening in underserved areas in India using wide-field imaging, tele-medicine, non-physician graders and smart phone reporting

Indian Journal of Ophthalmology, 2014
Aim: To report the Karnataka Internet Assisted Diagnosis of Retinopathy of Prematurity (KIDROP) program for retinopathy of prematurity (ROP) screening in underserved rural areas using an indigenously developed tele-ROP model.
Anand Vinekar, Clare Gilbert, Mangat Dogra, Mathew Kurian, Gangadharan Shainesh, Bhujang Shetty, Noel Bauer   +6 more
doaj   +1 more source

Interferometric method for determining the sum of the flexoelectric coefficients (e1+e3) in an ionic nematic material [PDF]

, 2008
The time-dependent periodic distortion profile in a nematic liquid crystal phase grating has been measured from the displacement of tilt fringes in a Mach-Zehnder interferometer.
A. A. T. Smith, C. L. Trabi, C. V. Brown, DeGennes P. G., Madhusudana N. V., N. J. Mottram   +5 more
core   +1 more source

Adaptive optics imaging of the retina

Indian Journal of Ophthalmology, 2014
Adaptive optics is a relatively new tool that is available to ophthalmologists for study of cellular level details. In addition to the axial resolution provided by the spectral-domain optical coherence tomography, adaptive optics provides an excellent ...
Rajani Battu, Supriya Dabir, Anjani Khanna, Anupama Kiran Kumar, Abhijit Sinha Roy   +4 more
doaj   +1 more source

Corneoplastique™: Art of vision surgery

Indian Journal of Ophthalmology, 2014
Corneoplastique incorporates the entire spectrum of Vision corrective surgery including Lasik, premium cataract surgery, corneal surgery, ocular surface surgery and the full range of anterior segment surgery itself in manipulating the optics of every eye
Arun C Gulani
doaj   +1 more source