LASIK To Improve Visual Acuity in Adult Neglected Refractive
... cases when the suppressed eye was done first a temporary postoperative diplopia was observed until the dominant eye was treated. The improvement in BCVA in the patients may have a different explanation: First the correction of ametropia after the surgery, second the improvement of the corneal refrac ...
... cases when the suppressed eye was done first a temporary postoperative diplopia was observed until the dominant eye was treated. The improvement in BCVA in the patients may have a different explanation: First the correction of ametropia after the surgery, second the improvement of the corneal refrac ...
A clear view on refractive surgery
... seen by the eye are not focused on the retina. This results in blurred vision. There are different kinds of refractive errors: In myopia (the degree of error is described as diopter) or short-sightedness, the eye is too long and the light rays are focused in front of the retina: The patient has a cl ...
... seen by the eye are not focused on the retina. This results in blurred vision. There are different kinds of refractive errors: In myopia (the degree of error is described as diopter) or short-sightedness, the eye is too long and the light rays are focused in front of the retina: The patient has a cl ...
Course-content-Advanced-Contact
... covered in the curriculum by its unique emphasis in recognizing and properly applying critical clinical observations to these diseases. Furthermore, it adds to the curriculum by covering in detail rarer conditions which are not handled in detail typically in an existing curriculum. ...
... covered in the curriculum by its unique emphasis in recognizing and properly applying critical clinical observations to these diseases. Furthermore, it adds to the curriculum by covering in detail rarer conditions which are not handled in detail typically in an existing curriculum. ...
Refraction and its uses
... Telescopes(or Refractors) • The focus is the point, or plane, at which light rays from infinity converge after passing through a lens and traveling a distance of one focal length. In a refractor, the first lens through which light from a celestial object passes is called the objective lens. It shou ...
... Telescopes(or Refractors) • The focus is the point, or plane, at which light rays from infinity converge after passing through a lens and traveling a distance of one focal length. In a refractor, the first lens through which light from a celestial object passes is called the objective lens. It shou ...
Subluxated - MM Joshi Eye Institute
... Exact degree of zonular loss Vitreous in the anterior chamber . An inferior subluxation often indicates 360 degrees of zonular insufficiency combined with the effect of gravity. ...
... Exact degree of zonular loss Vitreous in the anterior chamber . An inferior subluxation often indicates 360 degrees of zonular insufficiency combined with the effect of gravity. ...
Safety and efficacy of Photorefractive Keratectomy (PRK) for myopia
... and the use of other rigid surgical instruments may be required thereafter. No clinical adverse effects have been found with this alcohol solution exposure time, which is longer than that described in previous techniques. In addition, patient tolerance is excellent, as no pressure is applied over th ...
... and the use of other rigid surgical instruments may be required thereafter. No clinical adverse effects have been found with this alcohol solution exposure time, which is longer than that described in previous techniques. In addition, patient tolerance is excellent, as no pressure is applied over th ...
Multifocal Contact Lens Myopia Control
... treatment effect may not continue to accrue after the first year,12 the treatment effect after cessation of therapy may not be permanent,13 and side effects of the treatment may result in only occasional prescribing of the treatment. However, promising results using lower concentrations of atropine ...
... treatment effect may not continue to accrue after the first year,12 the treatment effect after cessation of therapy may not be permanent,13 and side effects of the treatment may result in only occasional prescribing of the treatment. However, promising results using lower concentrations of atropine ...
Clinical Policy: Refractive Surgery
... PRK was the initial procedure used to reshape the cornea for the correction of severe myopia, hyperopia, and astigmatism. An excimer laser is used to ablate a thin outer layer of the cornea, changing the cornea's refractive power. Since there is no flap creation with PRK, the entire thickness of the ...
... PRK was the initial procedure used to reshape the cornea for the correction of severe myopia, hyperopia, and astigmatism. An excimer laser is used to ablate a thin outer layer of the cornea, changing the cornea's refractive power. Since there is no flap creation with PRK, the entire thickness of the ...
View - OhioLINK Electronic Theses and Dissertations Center
... foster areas of expertise over time. These “newness” factors are increasingly important over time as the rate of innovation in ophthalmology increases and physicians are confronted with new devices and proced ...
... foster areas of expertise over time. These “newness” factors are increasingly important over time as the rate of innovation in ophthalmology increases and physicians are confronted with new devices and proced ...
Correlation of Central Corneal Thickness and Axial Length in
... et al. in the Tajimi Study from Japan.3 A study was done on Singaporean children showed that the radius of corneal curvature correlated with CCT (Pearson r = 0.19, P < 0.001) significantly. There was a thinner cornea in patients having a more axial length in our study. Chang et al. and BuenoGimeno e ...
... et al. in the Tajimi Study from Japan.3 A study was done on Singaporean children showed that the radius of corneal curvature correlated with CCT (Pearson r = 0.19, P < 0.001) significantly. There was a thinner cornea in patients having a more axial length in our study. Chang et al. and BuenoGimeno e ...
Original Article The Efficacy, Predictability, and Safety of Epi
... and irregular ablation pattern. LASEK and EpiLASIK may be considered for these kinds of corneas to avoid such complications. Postoperative glare and halos are related in part to pupil size and optical zone treatment. The ablation zone should be larger than the pupil size in order to avoid such compl ...
... and irregular ablation pattern. LASEK and EpiLASIK may be considered for these kinds of corneas to avoid such complications. Postoperative glare and halos are related in part to pupil size and optical zone treatment. The ablation zone should be larger than the pupil size in order to avoid such compl ...
The EYE - busadmin
... THE EYE The eyes are our main sense organs giving us the power to identify shapes and colours. Light enters the eye through the pupil and transparent cornea. It passes through the lens and is focused onto the light-sensitive retina where it stimulates receptors. Professionals: ...
... THE EYE The eyes are our main sense organs giving us the power to identify shapes and colours. Light enters the eye through the pupil and transparent cornea. It passes through the lens and is focused onto the light-sensitive retina where it stimulates receptors. Professionals: ...
8) All the following are true regarding glaucoma medications except:
... A. Is especially common following muscle transposition procedures B. Can occur following surgery on two rectus muscles C. Typically presents with iritis and an irregular pupil D. Arteriosclerosis, hyperviscosity and retinal buckles are predisposing ...
... A. Is especially common following muscle transposition procedures B. Can occur following surgery on two rectus muscles C. Typically presents with iritis and an irregular pupil D. Arteriosclerosis, hyperviscosity and retinal buckles are predisposing ...
Caveats to Obtaining Retinal Topography With Optical Coherence
... We read with great interest the article by Oh et al.1 on the assessment of retinal topography in myopic eyes using spectral domain optical coherence tomography (SD-OCT). In their article, the investigators described different characteristics of retinal topography to indicate variations in ocular sha ...
... We read with great interest the article by Oh et al.1 on the assessment of retinal topography in myopic eyes using spectral domain optical coherence tomography (SD-OCT). In their article, the investigators described different characteristics of retinal topography to indicate variations in ocular sha ...
Use of Optical Coherence Tomography to Assess Variations
... more heterogenous, whereas our subjects were all men and of a similar age. Looked on in isolation, the finding of decreasing parafoveolar thickness with myopia may be consistent with retinal thinning in this region. However, when we found simultaneous increasing foveolar thickness, the possibility o ...
... more heterogenous, whereas our subjects were all men and of a similar age. Looked on in isolation, the finding of decreasing parafoveolar thickness with myopia may be consistent with retinal thinning in this region. However, when we found simultaneous increasing foveolar thickness, the possibility o ...
Wavefront Aberrations
... There are different types of astigmatism, according to the method of classification (2,3,4,5,6). Astigmatism is regular when two main meridians are 90° to each other; it is correctable with cylindrical or spherocylindrical lenses. Otherwise, the astigmatism is irregular. Regular astigmatism is with- ...
... There are different types of astigmatism, according to the method of classification (2,3,4,5,6). Astigmatism is regular when two main meridians are 90° to each other; it is correctable with cylindrical or spherocylindrical lenses. Otherwise, the astigmatism is irregular. Regular astigmatism is with- ...
Phakic IOL - dos times
... they are now being combined with higher refractive errors in accordance with bioptics, used in stable keratoconus, pediatric myopic amblyopias etc. ...
... they are now being combined with higher refractive errors in accordance with bioptics, used in stable keratoconus, pediatric myopic amblyopias etc. ...
Instrument and microscope myopia: What`s all the focus about?
... allowing for some comparison of the results with those of their predecessors. This study affirms many of the conclusions of other large clinical trials on the efficacy of CXL in progressive keratoconus, adding to the rapidly growing literature on this novel treatment. In addition, Asri et al. expand ...
... allowing for some comparison of the results with those of their predecessors. This study affirms many of the conclusions of other large clinical trials on the efficacy of CXL in progressive keratoconus, adding to the rapidly growing literature on this novel treatment. In addition, Asri et al. expand ...
Case report Discussion 327
... occur following PRK. The main reason for the error, as with RK, probably relates to erroneous keratometry readings. PRK involves the excimer laser ablation of a disc of superficial corneal tissue. To correct myopia more tissue is removed from the centre than the periphery. As a result the ablation z ...
... occur following PRK. The main reason for the error, as with RK, probably relates to erroneous keratometry readings. PRK involves the excimer laser ablation of a disc of superficial corneal tissue. To correct myopia more tissue is removed from the centre than the periphery. As a result the ablation z ...
A randomised clinical trial to assess the effect of a dual treatment on
... Attempts to arrest myopia progression in children using multifocal spectacles have met with limited success.10-12 The COMET study12 showed that multifocal lenses slowed myopia progression during the 1st year but not thereafter. Unfortunately no information was gathered about the effect of the multif ...
... Attempts to arrest myopia progression in children using multifocal spectacles have met with limited success.10-12 The COMET study12 showed that multifocal lenses slowed myopia progression during the 1st year but not thereafter. Unfortunately no information was gathered about the effect of the multif ...
Achieving Better Than 20/20 Visual Acuity
... In a recent retrospective analysis, Jan Venter, MD, and I reported 1-month outcomes for 32,569 eyes of 17,713 patients who were treated at Optical Express centers in 2008. The study included all eyes in Optical Express’ central database that had a preoperative manifest spherical equivalent of 6.00 D ...
... In a recent retrospective analysis, Jan Venter, MD, and I reported 1-month outcomes for 32,569 eyes of 17,713 patients who were treated at Optical Express centers in 2008. The study included all eyes in Optical Express’ central database that had a preoperative manifest spherical equivalent of 6.00 D ...
Refractive Errors - University of Michigan
... links to online content that was not created by UMHS and for which UMHS does not assume responsibility. It does not replace medical advice from your health care provider because your experience may differ from that of the typical patient. Talk to your health care provider if you have any questions a ...
... links to online content that was not created by UMHS and for which UMHS does not assume responsibility. It does not replace medical advice from your health care provider because your experience may differ from that of the typical patient. Talk to your health care provider if you have any questions a ...
A Vision for All to See - Brien Holden Vision Institute
... and presbyopia Myopia and presbyopia are often referred to as refractive errors and are caused by the inability of the cornea and/or the lens of the eye to bend (refract) accurately; someone with a refractive error will experience blurred vision at some distance. Other refractive errors include hype ...
... and presbyopia Myopia and presbyopia are often referred to as refractive errors and are caused by the inability of the cornea and/or the lens of the eye to bend (refract) accurately; someone with a refractive error will experience blurred vision at some distance. Other refractive errors include hype ...