- The
photorefractive effect is a
nonlinear optical effect seen in
certain crystals and
other materials that
respond to
light by
altering their refractive...
-
Photorefractive keratectomy (PRK) and laser-****isted sub-epithelial
keratectomy (or
laser epithelial keratomileusis) (LASEK) are
laser eye
surgery procedures...
- acuity.
LASIK is very
similar to
another surgical corrective procedure,
photorefractive keratectomy (PRK), and LASEK. All
represent advances over
radial keratotomy...
-
Organic photorefractive materials are
materials that
exhibit a
temporary change in
refractive index when
exposed to light. The
changing refractive index...
-
collaboration with Theo
Seiler and Srinivasan,
performed the
first Photorefractive Keratectomy (PRK), or
keratomileusis in situ (without
separation of...
- been
largely supplanted by newer, more
accurate operations, such as
photorefractive keratectomy, LASIK, Epi-LASIK and the
phakic intraocular lens. When...
- of the eye or
which add
additional refractive means inside the eye.
Photorefractive keratectomy (PRK)
involves ablation of
corneal tissue from the corneal...
- N-vinylcarbazole. It is a
photoconductive polymer and thus the
basis for
photorefractive polymers and
organic light-emitting diodes.
Polyvinylcarbazole was...
- are also
surgical treatments for far-sightedness:
Laser procedures Photorefractive keratectomy (PRK): This is a
refractive technique that is done by removal...
- PRK can
refer to:
North Korea's ISO 3166-1 alpha-3 code
Photorefractive keratectomy,
laser eye
surgery Phase reversal keying, a form of phase-shift keying...
