Key Terms Anesthesia Paresthesia Hypoesthesia Hyperesthesia Analgesia Hypalgesia Remedial treatment Compensatory treatment Vision Visual perception Visual acuity Oculomotor control Visual fields Visual attention Visual scanning Pattern recognition Visual memory Visual cognition Myopia Hyperopia Presbyopia Astigmatism Cataracts Macular degeneration Glaucoma Hypertension Diabetic retinopathy Macu...

To investigate the prevalence and factors associated with uncorrected presbyopia among rural community dwellers in Japan. A population-based cross-sectional study was conducted 2011 aged 40–74 years who received specific health checkups Minamiaizu Tadami, Fukushima Prefecture, Uncorrected considered as when distance-corrected visual acuity better eye ≥0.5 near-presenting <0.4, regardless of dis...

The ciliary body is a circular structure ( as appears in coronal section and triangular in cross section) forming a complete ring which is continuos anteriorly with the iris periphery and posteriorly with the choroid. It measures about 6mm wide (6.5-mm on temporal side and 5.5-mm on the nasal side) and extends forward to the scleral spur and backward to the ora serrata of the retina. It present...

AIM To study the various ocular anatomical and physiological parameters in presbyopia. MATERIALS AND METHODS We studied the various ocular anatomical and physiological parameters like corneal curvature (keratometry readings: K1 and K2), central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT) and axial length (AL) in 100 presbyopic patients between 35 - 55 years of a...

The mechanism of accommodation and its relevance to presbyopia has been debated since Victorian times, and the arguments are still surprisingly vehement.Are new data bringing us any closer to a resolution? Sir Arthur Conan Doyle, author of the Sherlock Holmes books, also wrote a book called The Lost World, dominated by a brilliant and insufferably arrogant scientist, Prof Challenger. After an e...

UNLABELLED A 43-question survey was e-mailed to all resident members of the American Society of Cataract and Refractive Surgery (ASCRS), ASCRS members in practice for 5 or fewer years, and residency program directors of 118 U.S. Accreditation Council for Graduate Medical Education-accredited ophthalmology programs (for distribution to their residents) in June 2010. Two hundred eighty-five of 22...