LaserMyEye :: Encyclopedia of Laser Vision Correction

Encyclopedia of laser vision correction

Editor's Note: Content of these pages ranges from sketchy (i.e. basic glossary definition) to very detailed (i.e. illustrations and explanations of many refractive surgery related points). For further information please refer also to the many articles in the Patient FAQ section.

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - XYZ

20/20, 20/30, 20/40, etc. (6/6, 6/9, 6/12, etc)

A

ablation defects

ABMD: anterior basement membrane dystrophy

absolute contraindication

accommodative spasm

Advanced Medical Optics

Advanced Surface Ablation (ASA)

AK: Astigmatic Keratotomy

Allegretto Wave

Allegretto Wave Topolyzer

ALK: Automated Lamellar Keratoplasty

all laser LASIK

ALTK: Automated Lamellar Therapeutic Keratectomy

American Society of Cataract and Refractive Surgeons (ASCRS)

Anterior Basement Membrane Dystrophy (ABMD)

aqueous (layer)

aqueous deficiency

Archives of Ophthalmology

ASA: Advanced Surface Ablation

Asclepion-Meditec

Astigmatic Keratotomy (AK)

autologous serum

Automated Lamellar Keratoplasty (ALK)

Automated Lamellar Therapeutic Keratectomy (ALTK)

auto(mated) refractor

Autonomous Technologies

axis of astigmatism

B

basement membrane

Bausch & Lomb (B&L)

BCVA: best corrected visual acuity

best spectacle corrected visual acuity (BSCVA)

best visual acuity (BVA)

best corrected visual acuity (BCVA)

binocular diplopia

binocular fusion

binocular vision

B&L: Bausch & Lomb

Bowman's cracks, Bowman's crinkles

Bowman's membrane

BSRS: British Society for Refractive Surgery

broadbeam laser

BSCVA: best spectacle-corrected visual acuity

buttonhole flap

C

Carl Zeiss Meditec

cataract surgery

C-CAP: Custom-Contoured Ablation Profile

ciliary muscles

CIPTA: Corneal Interactive Programmed Topographic Ablation

CK: Conductive Keratoplasty

CLAPIKS: Contact Lens Assisted Pharmacologically Induced Kerato Steepening

Colvard pupillometer

Computer Vision Syndrome (CVS)

Conductive Keratoplasty (CK)

Contact Lens Assisted Pharmacologically Induced Kerato Steepening (CLAPIKS)

contraindication

contrast sensitivity

corneal abrasion

corneal ectasia

corneal endothelium

corneal epithelium

corneal erosion

Corneal Interactive Programmed Topographic Ablation (CIPTA)

corneal refractive therapy (CRT)

corneal-scleral lens

corneal transplant

corrective lens

CRT: corneal refractive therapy

(crystalline) lens

custom ablation

Custom Contoured Ablation Profile (C-CAP)

CVS: Computer Vision Syndrome

cycloplegic refraction

D

dark adaptation

dark-adapted pupil size

decentered ablation

decentered flap

decompensated strabismus

deep set orbits

DES: Dry Eye Syndrome

Descemet's membrane

diamond microsurgery

Diffuse Lamellar Keratitis (DLK, SOS)

diurnal fluctuation

DLK (diffuse lamellar keratitis)

driving standard vision

Dry Eye Syndrome (DES)

E

eccentric ablation

effective optical zone (EOZ)

enhancement rates

Epithelial Basement Membrane Dystrophy (EBMD)

epithelial defect

epithelial ingrowth

European Society of Cataract and Refractive Surgeons (ESCRS)

Eye Surgery Education Council (ESEC)

F

FBS: foreign body sensation

femtosecond laser

flap complications

flap, incomplete

flow controller plugs

fluctuating vision

fluorescein staining

flying spot laser

foreign body sensation (FBS)

forme fruste keratoconus

Food & Drug Administration (FDA)

fourth refractive error

Fraenkel vision survey

functional optical zone

G

GAPP (Good Acuity Plus Photosensitivity)

GASH (glare, arcs, starbursts, haloes)

gas permeable (GP) contact lens

Good Acuity Plus Photosensitivity (GAPP)

GP lens (Gas Permeable contact lens)

H

Hartmann-Shack aberrometry

higher order aberrations (HOA)

Humphrey topographer

hyperopic shift

I

induced aberrations

induced astigmatism

induced monovision

inferior underablation

informed consent

INTACS: Intrastromal Corneal Ring Segments

International Society for Refractive Surgery (ISRS)

intracannicular plugs

intraocular lens (IOL)

intraocular pressure (IOP)

Intrastromal Corneal Ring Segments (INTACS)

IOL (intraocular lens)

IOP (intraocular pressure)

irregular astigmatism

ISRS: International Society for Refractive Surgery

J

Journal of Refractive Surgery (JRS)

Journal of Cataract and Refractive Surgery (JCRS)

K

KCS: keratoconjunctivitis sicca

keratoconjunctivitis sicca (KCS)

L

lacrimal apparatus

lacrimal glands

lacrimal system

LADARVision, LADARVision 4000

Lamellar Keratoplasty

LASEK: Laser Assisted Sub-Epithelial Keratomileusis

Laser Assisted In-Situ Keratomileusis (LASIK)

Laser Assisted Sub-Epithelial Keratomileusis (LASEK)

laser refractive surgery

LaserSight Technologies

Laser Thermal Keratoplasty (LTK)

laser vision correction (LVC)

LASIK: Laser Assisted In-Situ Keratomileusis

legal blindness

lens, i.e. natural lens of the eye

lens, i.e. spectacle or contact lens

light sensitivity

Limbal Relaxing Incisions (LRI)

loss of best corrected visual acuity

lower order aberrations

LRI: Limbal Relaxing Incisions

LTK: Laser Thermal Keratoplasty

LVC: Laser Vision Correction

M

manifest refraction

MD: Medical Doctor

Medicine and Healthcare Products Regulatory Agency (MHRA)

meibomian glands

meibomian gland dysfunction (MGD)

meibomian gland therapy

Mel-60, Mel-70G, Mel-70 GX, Mel-80

MGD (Meibomian gland dysfunction)

microperforation

mixed astigmatism

moderate myopia

monocular diplopia

monocular polyopia

multifocal lens

Munnerlyn formula

N

nearsightedness

NICE: National Institute for Clinical Excellence

night vision disturbance (NVD)

nocturnal glare

NVD: night vision disturbance

O

ocular surface disease (OSD)

Ocular Surface Disease Index (OSDI)

OD: Optometrist

operative report

ophthalmologist

optical zone (effective)

optical zone (programmed)

orthokeratology

OSD: ocular surface disease

OSDI: Ocular Surface Disease Index

P

Penetrating Keratoplasty (PK, PKP)

peripheral curve

Phakic Refractive Lens (PRL)

photoablation procedure

Photorefractive Keratectomy (PRK)

Photo Therapeutic Keratectomy (PTK)

pinhole glasses

PRK: Photorefractive Keratectomy

PRL: Phakic Refractive Lens

Procyon pupillometer

programmed ablation zone

progressive hyperopia

PTK: Photo Therapeutic Keratectomy

punctal cautery

punctal occlusion

punctum (pl. puncta)

Q

R

radial keratotomy (RK)

RCE: recurrent corneal erosions

recurrent corneal erosions (RCE)

refractive error

refractive imbalance

refractive index

refractive media

refractive surgery

refractive surgeon

residual astigmatism

residual hyperopia

residual myopia

residual refractive error

retinal detachment

reverse geometry

RGP: Rigid gas permeable contact lens

rigid gas permeable contact lens (RGP, GP)

RS: refractive surgery

S

Sands of the Sahara (SOS)

Safeguard Your Sight (records service)

"safety and efficacy"

scanning slit laser

SCE: Styles-Crawford Effect

Schirmer lacrimation test

scotopic pupil diameter

secondary ablation

secondary keratoconus

sectoral underablation

SEF: Surgical Eyes Foundation

semi-scleral lens

serial topography

Shack-Hartmann aberrometry

SKBM microkeratome

slit scanning laser

Snellen eye chart

Snellen visual acuity

SOS: Sands of the Sahara

spherical aberration

SPK: superficial punctate keratopathy

spot scanning laser

Star S2, S3, S4

Stiles-Crawford effect

superficial punctate keratopathy (SPK)

superior underablation

surface ablation

Surgical Eyes Foundation (SEF)

systematic underablation

T

TBUT: tear break-up time

tear break-up time (TBUT)

Technolas 217(A)

TLS: transient light sensitivity

Tomey topographer

topical steroid

topography-guided procedure

Track Related Iridocyclitis and Scleritis (TRISC)

transepithelial PRK

Transient Light Sensitivity (TLS)

transition zone

TRISC: track related iridocyclitis and scleritis

Tscherning aberrometer

U

UCVA: uncorrected visual acuity

uncorrected visual acuity (UCVA)

undercorrection

United Kingdom and Ireland Society of Cataract and Refractive Surgeons (UKISCRS)

unstable refraction

V

variable spot laser

very high myope

very high myopia

VHF digital ultrasound

Vision Surgery Rehab Network

vitreous detachment

vitreous humour

W

wavefront aberrations

wavefront aberrometer

wavefront aberrometry

wavefront-guided

Wavelight Laser Technologie AG

WFG-: Wavefront guided (procedure)

XYZ

Zernike polynomial