Paracentral acute middle maculopathy as a finding in patients with severe vision loss following phacoemulsification cataract surgery: comment

2017 ◽  
Vol 46 (5) ◽  
pp. 576-577 ◽  
Author(s):  
Erwin Groeneveld
Keyword(s):  
Cataract Surgery ◽  
Vision Loss ◽  
Severe Vision Loss ◽  
Phacoemulsification Cataract Surgery

scholarly journals Paracentral acute middle maculopathy as a finding in patients with severe vision loss following phacoemulsification cataract surgery

2017 ◽  
Vol 45 (6) ◽  
pp. 598-605 ◽  
Author(s):  
Katarina Creese ◽  
Daini Ong ◽  
Sukhpal S Sandhu ◽  
David Ware ◽  
C Alex Harper ◽  
...  
Keyword(s):  
Cataract Surgery ◽  
Vision Loss ◽  
Severe Vision Loss ◽  
Phacoemulsification Cataract Surgery

Endophthalmitis after dropless (Tri-Moxi injection) cataract surgery

2019 ◽  
Vol 30 (5) ◽  
pp. NP29-NP31 ◽  
Author(s):  
Caleb Ng ◽  
Kakarla V Chalam
Keyword(s):  
Cataract Surgery ◽  
Staphylococcus Epidermidis ◽  
Vision Loss ◽  
Hand Motion ◽  
Corrected Visual Acuity ◽  
Case Summary ◽  
Keratic Precipitates ◽  
Vitreous Sample ◽  
Severe Vision Loss ◽  
Pars Plana

Introduction: A case of endophthalmitis after dropless cataract surgery with intravitreal Tri-Moxi associated with severe vision loss. Case summary: An 82-year-old male developed severe vision loss in the left eye 24 days after dropless cataract surgery with intravitreal Tri-Moxi injection. Best corrected visual acuity was hand motion in the left eye. Intraocular pressure was 13, with inferior keratic precipitates, 4 + cell with 1 mm layered hypopyon, and a plaque on the posterior capsule that blocked direct exam of the posterior segment. Ultrasonography revealed extensive vitritis without retinal or choroidal detachments. Conclusion: Endophthalmitis resolved and vision improved after management with vitreous tap, intravitreal and fortified topical antibiotics, and subsequent prompt pars plana vitrectomy. Vitreous sample grew fluoroquinolone-resistant staphylococcus epidermidis.

scholarly journals Nanogel-Facilitated In-Situ Delivery of a Cataract Inhibitor

Biomolecules ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1150
Author(s):  
Dixa Gautam ◽  
Michelle G. Pedler ◽  
Devatha P. Nair ◽  
Jonathan Mark Petrash
Keyword(s):  
Cataract Surgery ◽  
Vision Loss ◽  
Effective Means ◽  
Lens Capsule ◽  
Posterior Capsular Opacification ◽  
Surgical Removal ◽  
Visual Disability ◽  
Visual Axis ◽  
Number Of Patients ◽  
Subsequent Degradation

Cataracts are a leading cause of blindness worldwide. Surgical removal of cataracts is a safe and effective procedure to restore vision. However, a large number of patients later develop vision loss due to regrowth of lens cells and subsequent degradation of the visual axis leading to visual disability. This postsurgical complication, known as posterior capsular opacification (PCO), occurs in up to 30% of cataract patients and has no clinically proven pharmacological means of prevention. Despite the availability of many compounds capable of preventing early steps in PCO development, there is currently no effective means to deliver such therapies into the eye for a suitable duration. To model a solution to this unmet medical need, we fabricated acrylic substrates as intraocular lens (IOL) mimics scaled to place into the capsular bag of the mouse lens following a mock-cataract surgery. Substrates were coated with a hydrophilic crosslinked acrylate nanogel designed to elute Sorbinil, an aldose reductase inhibitor previously shown to suppress PCO. Insertion of the Sorbinil-eluting device into the lens capsule at the time of cataract surgery resulted in substantial prevention of cellular changes associated with PCO development. This model demonstrates that a cataract inhibitor can be delivered into the postsurgical lens capsule at therapeutic levels.

scholarly journals Surgically induced astigmatism and coupling effect-mediated keratometric changes after conventional phacoemulsification cataract surgery

2021 ◽  
Author(s):  
Reinhard Angermann ◽  
Christoph Palme ◽  
Philipp Segnitz ◽  
Andreas Dimmer ◽  
Eduard Schmid ◽  
...  
Keyword(s):  
Cataract Surgery ◽  
Coupling Effect ◽  
Case Series ◽  
Corneal Incision ◽  
Surgically Induced Astigmatism ◽  
Incision Size ◽  
Case Series Study ◽  
Induced Astigmatism ◽  
Surgically Induced ◽  
Phacoemulsification Cataract Surgery

Summary Background The aim of the present study was to describe surgically induced astigmatism (SIA) and the coupling effect after conventional phacoemulsification cataract surgery (CPS) in relation to the incisional axis. Material and methods A total of 42 patients were included in the retrospective case series study. Corneal topography was obtained for patients with significant cataract before and 6 weeks after CPS with a main clear corneal incision size of 2.4 mm. Patients were grouped according to the relationship of the incisional axis to the position of the steep axis into a steep incisional group and a flat incisional group. Results In total, 46 eyes were included in the study. While the steep incisional group showed an SIA of −0.15 D (± 0.35), the flat incisional group had a significantly higher SIA of 0.20 D (± 0.51) (p = 0.03). The coupling ratio (CR) in the steep incisional group was −0.38 (± 1.41) and in the flat incisional group it was 0.16 (± 0.97). Correspondingly, a coupling constant (CC) of −0.25 was found for group 1 and a CC of 0.0 for group 2. Conclusion Our results suggest that the location of the main incision should be decided with consideration of the corneal astigmatism in order to minimize the SIA. The CR helps to understand the effect of induced astigmatism and the change in spherical equivalent.

Changes in pupillometry associated with dissipated energy during phacoemulsification

2020 ◽  
pp. 112067212098437
Author(s):  
Giulia Coco ◽  
Pierluca Cremonesi ◽  
Nardine Menassa ◽  
Luca Pagano ◽  
Kunal A Gadhvi ◽  
...  
Keyword(s):  
Cataract Surgery ◽  
Generalized Linear Model ◽  
Pupil Diameter ◽  
University Hospital ◽  
Dissipated Energy ◽  
Dynamic Measurements ◽  
Operative Complications ◽  
Cumulative Dissipated Energy ◽  
Chamber Measurements ◽  
Phacoemulsification Cataract Surgery

Purpose: To investigate the effect of ultrasound level during phacoemulsification on pupil dynamics. Methods: Comparative retrospective study on patients who underwent routine cataract surgery at the Royal Liverpool University Hospital. Clinical parameters, anterior chamber measurements, axial length, surgeon grade, time of surgery, level of ultrasound used (cumulative dissipated energy, CDE), intra- and post-operative complications were collected. Pupil diameters were collected before and 4 ± 1 weeks after surgery in static scotopic, mesopic, photopic pupil conditions. Also, pupil dynamic measurements after luminous stimulus were recorded. Changes in static pupil diameters, relative dilation at 3.5 s after luminous stimulus, and time to reach 75% and 95% of maximum dilation were measured. Results: Forty-eight eyes of 24 patients (13 males) were included with a mean age of 73.1 ± 14.6 years. Mean CDE value was 18.11 ± 10.56. Mean scotopic pupil diameters decreased by 0.24 ± 0.48 mm ( p = 0.021) in the operated eye. Significant correlation was found between reduction in scotopic pupil diameter and CDE ( p = 0.05). A generalized linear model confirmed that the level of CDE was significantly associated with reduction in scotopic pupil diameter ( p = 0.026). Patients who underwent surgeries with lower CDE (0 < CDE ⩽ 10 and 10 < CDE ⩽ 20) did not experience significant changes in scotopic pupil diameter after surgery ( p = 0.28 and p = 0.79, respectively) as opposed to those with higher CDE (CDE > 20; p = 0.03). Conclusion: Phacoemulsification cataract surgery and the cumulative dissipated energy may be associated with changes in pupil behaviour.

scholarly journals The Positive Legacy of Vision Loss: Pathways to Posttraumatic Growth

2020 ◽  
Vol 4 (Supplement_1) ◽  
pp. 616-617
Author(s):  
Corinna Tanner ◽  
Michael Caserta ◽  
Jia-Wen Guo ◽  
Margaret Clayton ◽  
Paul Bernstein ◽  
...  
Keyword(s):  
Posttraumatic Growth ◽  
Cognitive Processing ◽  
Mixed Method ◽  
Vision Loss ◽  
Social Issues ◽  
Qualitative Interviews ◽  
Age Related Macular Degeneration ◽  
Age Related ◽  
Severe Vision Loss ◽  
Age Range

Abstract This mixed method study describes posttraumatic growth (PTG) accruing form experience with vision loss caused by severe age related macular degeneration (AMD) and explores relationships between depression, social support, and cognitive processing, on the path to PTG. Research describing the psychological and social issues surrounding AMD has focused on negative outcomes. However, learning from highly challenging experiences, such as vision loss, can offer benefits. In this study, these included an increased sense of personal strength, increased spirituality, and empathy for others (all domains of PTG). 89 participants with severe vision loss (mean age = 85.3 years, age range = 74–98 years) completed the interviewer-administered composite questionnaire, which identified elements of Tedeschi and Calhoun’s model of PTG. Relationships between variables were examined using path analysis. Findings were contextualized with data from 15 qualitative interviews. Findings underscored the importance of supportive others and deliberate cognitive processing in the path to PTG.

Sign in / Sign up

Export Citation Format

Share Document