Refractive strength of human eye is monitored by optometer that automatically and continuously images infrared test pattern onto the retina. Condition of focus of the eye at any instant is determined from optometer settings needed to maintain focus of the pattern on the retina
Photorefraction is a technique that has been used in the past two decades for pediatric vision scree...
An automatic focusing system designed around an ultrasonic range measurement is described. Besides m...
Contains reports on eleven research projects.U.S. Air Force (AF49(638)-1130)Army Chemical Corps (DA-...
The ability of the human eye to change its overall refractive power so that people can focus on obje...
The ability of the human eye to change its overall refractive power so that people can focus on obje...
Testing device uses closed loop film cassettes to project programmed visual stimuli on screen which ...
The difference between the infrared absorption of the iris and infrared reflectivity of the eyeball ...
Prototype oculometer which tracks lateral eye position and measures the direction of the eyes optica...
Automated visual sensitivity meter for detecting scotoma, glaucoma, and changes in retinal sensitivi...
The Canon Autoref R-1 is an infrared optometer, which allows free-space viewing. Pugh and Winn have ...
The Canon Autoref R-1 is an infrared optometer, which allows free-space viewing. Pugh and Winn have ...
The Canon Autoref R-1 is an infrared optometer which allows free-space viewing. Pugh and Winn descri...
Device projects visual pattern limits of the field of view of an operator as his eyes are directed a...
A well-cared-for retinoscope and trial lens set, for the measurement and correction of refractive er...
The ability of the crystalline lens to change shape and bring near objects into focus is known as ac...
Photorefraction is a technique that has been used in the past two decades for pediatric vision scree...
An automatic focusing system designed around an ultrasonic range measurement is described. Besides m...
Contains reports on eleven research projects.U.S. Air Force (AF49(638)-1130)Army Chemical Corps (DA-...
The ability of the human eye to change its overall refractive power so that people can focus on obje...
The ability of the human eye to change its overall refractive power so that people can focus on obje...
Testing device uses closed loop film cassettes to project programmed visual stimuli on screen which ...
The difference between the infrared absorption of the iris and infrared reflectivity of the eyeball ...
Prototype oculometer which tracks lateral eye position and measures the direction of the eyes optica...
Automated visual sensitivity meter for detecting scotoma, glaucoma, and changes in retinal sensitivi...
The Canon Autoref R-1 is an infrared optometer, which allows free-space viewing. Pugh and Winn have ...
The Canon Autoref R-1 is an infrared optometer, which allows free-space viewing. Pugh and Winn have ...
The Canon Autoref R-1 is an infrared optometer which allows free-space viewing. Pugh and Winn descri...
Device projects visual pattern limits of the field of view of an operator as his eyes are directed a...
A well-cared-for retinoscope and trial lens set, for the measurement and correction of refractive er...
The ability of the crystalline lens to change shape and bring near objects into focus is known as ac...
Photorefraction is a technique that has been used in the past two decades for pediatric vision scree...
An automatic focusing system designed around an ultrasonic range measurement is described. Besides m...
Contains reports on eleven research projects.U.S. Air Force (AF49(638)-1130)Army Chemical Corps (DA-...