Phacoemulsification in Rock Hard Cataracts
0
Citation
0
Reference
10
Related Paper
To record the surgical peculiarities during phacoemulsification in patients with type II diabetes.A retrospective, noncomparative analysis. Data from 58 eyes of 43 patients having significant cataract with type II diabetes of more than 5 years' duration who underwent phacoemulsification were considered. Intraoperative difficulties and complications were noted and analyzed.In 24.13% (n = 14) of the cases, the nucleus could not be divided after initial trenching. The management of the nucleus and the cortex required modifications in the surgical technique.Type II diabetic cataracts were sticky and leathery in approximately one-quarter of the cases.
Cite
Citations (6)
To compare phacoemulsification-related endothelial cell loss in transplanted corneas and normal corneas.Forty-nine patients who underwent phacoemulsification/intraocular lens insertion after penetrating keratoplasty (PK-CAT group) (50 eyes) were compared with 65 patients who underwent phacoemulsification/intraocular lens insertion only (CAT group) (100 eyes). The PK-CAT group was divided into corneal endothelial dysfunction (CED) and opacity subgroups according to recipient endothelial function. Effective phacoemulsification time and endothelial density were analyzed.The endothelial cell density after cataract surgery from 1 month (1772.72 +/- 315.89) to 24 months (917.25 +/- 372.75) in the PK-CAT group was significantly lower than that before cataract surgery (2189.36 +/- 358.68) (P < 0.05) but that in CAT group was not significantly different from baseline during follow-up time (P < 0.05). The rate of graft survival in the opacity subgroup (82.0%) of the PK-CAT group was higher than that in the CED subgroup (54.5%) after 2 years (P < 0.05). The mean endothelial density in the opacity subgroup (1216.73 +/- 271.63 cells/mm2) of the PK-CAT group was significantly higher than that in the CED subgroup (632.50 +/- 238.29 cells/mm2) at 2 years after cataract surgery (P < 0.05).The phacoemulsification-related endothelial cell loss in transplanted corneas was higher than that in normal corneas. A possible factor contributing to higher endothelial cell loss in transplanted corneas is recipient endothelial dysfunction.
Corneal Endothelium
Cite
Citations (36)
Outcomes for 77 cataractous eyes were compared after each eye underwent no treatment, topical medical treatment only, or phacoemulsification with intraocular lens implantation. Median follow-up time for all dogs was 2.3 y. Failure occurred in all untreated eyes and the rate of failure was 65 and 255 times higher than in medically and surgically treated eyes, respectively. The failure rate was 4 times higher in dogs receiving only medical treatment compared with dogs that received surgery. Across all groups, the success rate for mature and hypermature cataracts was lower than for immature cataracts. Regardless of cataract stage, the chance of success was higher for eyes undergoing phacoemulsification than for eyes that received medical management only. Results of this study support prompt referral for phacoemulsification when cataracts are diagnosed in dogs or, if referral is not possible, topical anti-inflammatory therapy.
Cite
Citations (41)
Objective To investigate the clinical therapeutic effect and complications of treating of diabetic cataracts with phacoemulsification and intraocular lens (IOL) implantation. Methods 120 cases (136eyes) of diabetic cataracts under went phacoemulsification and foldable IOL implantation through a 3.0 ～3.2 mm Limbus tunnel incision. Results 3 months after operation the naked eye vision ＜ 0. 05 were in 6 eyes (4.41%),0.05 ～0.25 in 24 eyes(17.65%),0.3 ～0.5 in 46 eyes(33.82%),0.6 ～ 1.0 in 60 eyes (44. 12% ). There was no statistieal difference between the nean preoperative astigmatism and postoperative astigmatism at 3 manths which wore respectively ( 1.05 ± 0. 36 ) d ( P ＞ 0. 05 ). Conclusion It is safe and efficient to treat diabetic cataracts with phacoemulsification combined with fodcable intraocular lens implantation.
Key words:
Diabetic; Cataract; Phacoemulsification
Astigmatism
Capsulorhexis
Cite
Citations (0)
Objective To evaluate the characteristics of age-related and other cataracts;and the functional recovery after phacoemulsification with intraocular lens(IOL).Methods six hundred and sixty six eyes in 602 patients who underwent phacoemulsification were included in this study.The parameters included:the age,gender and the etiological factors of cataract;the relationship among the degree of hardness of lens' nucleus,the age and the operation time;pre-and post-operative best corrected visual acuity(VA)of patients implanted 3 different kinds of IOL;and the correlation between VA and high myopia,and the age.Results The patients aged 60~80 years old constituted 61.9% of all patients received phacoemulsification.The data showed that age-related cataract was the main type of cataract(65%).The cataract of Ⅳ grade mainly occurred in patients more than 70 years old.The ratio was 46.6% and 49.6% in the groups of 60~70 years old and 70~80 years old,respectively.The VA was well improved post-operation.Postoperative VA(≥0.3)was composed of 92.8%.Conclusions This study is consistent with the previous reports.Effect of phacoemulsification is not affected by the age.Old patients can gain good VA as others.The effect of phacoemulsification is affected by the operation skills and the complications.
Etiology
Cite
Citations (0)
Phacoemulsification in rock-hard cataracts is always challenging for the phaco surgeon. Patient presenting with hard cataract is common in rural and suburban areas. In such situations phaco surgeons face higher incidence of significant complication like endothelial cell loss, posterior capsular rupture, zonular dialysis. By judicious use of the appropriate technology like perfect power modulations, enhanced fluidics, adequate OVDs usage better results can be achieved in these cases. In this short communication we have put together six salient steps that would help the surgeon in achieving successful phacoemulsification in hard cataracts.
Cite
Citations (0)
Introduction: Several studies have shown comparable visual outcomes of SICS and phacoemulsification. Phacoemulsification is the standard surgical procedure for cataract in developed countries whereas the technique of cataract extraction varies in developing countries. Since the last decade small incision cataract surgery (SICS) has become a popular technique of cataract surgery in India and other developing countries. Anecdotally, it is believed that SICS is the appropriate technique for mature cataracts and phacoemulsification emulsification is more suitable for immature cataracts. Several comparable studies have shown similar visual outcome of the two surgical techniques but none of those previous studies had compared the surgical procedures on phacoemulsification suitable immature cataracts. Objective: To compare the safety and efficacy of different types of surgical procedures (phacoemulsification versus SICS) for cataract surgery in immature cataract.
Material and methods: A prospective randomized controlled trial was carried out involving 339 and 394 patients with immature senile cataract selected for phacoemulsification and SICS, respectively.
Statistics: Mean values with standard deviations were calculated. P value of less than 0.05 was considered significant. Results: There was no difference between the groups in terms of gender, age, and pre-operative visual acuity (p = 0.227). In group A, and in group B nearly 24.7% and 22.4% respectively of patients had good visual outcome (6/6-6/18). Poor outcome (unaided visual acuity
Cataract extraction
Cite
Citations (1)
Glaucoma is one of the most serious complications that causes irreversible blindness after phacoemulsification in dogs; however, a clear mechanism has not been elucidated. This study aimed to analyse the possible anatomical factors associated with glaucoma after phacoemulsification using parameters that reflect the anatomical characteristics of dogs.A total of 69 eyes of 48 dogs were included in this study. The patients were divided into three groups: normal eye (n = 18), cataract (n = 39), and post-phacoemulsification for at least 2 months after surgery (post-phaco, n = 12). For further analysis, the dogs were subdivided into two groups according to cataract stage: phacoemulsification non-candidate and candidate groups. Non-cataracts and incipient cataracts were categorized into the non-candidate group, whereas immature and mature cataracts were categorized into the candidate group. Measurements of the ciliary cleft parameters, including the area of the ciliary cleft (CCA), length of the ciliary cleft (CCL), width of the ciliary cleft (CCW), iridocorneal angle, and angle opening distance, were obtained using ultrasound biomicroscopy.CCA, CCL, and CCW were significantly higher in the candidate group than in the non-candidate group. CCA, CCL, and CCW were significantly reduced in the post-phaco group compared to those in the cataract group. Based on these results, we found that the ciliary cleft expanded in cataract-affected eyes and narrowed after phacoemulsification. This may indicate that the space between the trabecular meshworks became narrower, potentially leading to an increase in the resistance of the aqueous humor.A narrowed ciliary cleft after phacoemulsification may be an anatomical factor associated with glaucoma.
Ultrasound biomicroscopy
Ciliary processes
Cite
Citations (4)
Objective To analyze the characteristic of cataracts associated with true exfoliation of lens capsule which underwent phacoemulsification during the operation and follow-up period. Methods A retrospective study was performed on 4 cases of cataracts associated with true exfoliation of the lens capsule which underwent phacoemulsification during March 2009 and December 2009 on the third Lifeline Expresstrain hospital. All these 4 patients underwent routine phacoemulsification of cataract and PMMA intraocular lens implantation in capsule. Their clinical characteristics, complications during and after the surgeries and the changes of visual acuity were analyzed. Results In 4 cases of cataracts associated with true exfoliation of the lens capsule, 2 were male and 2 were female, averaged 62.3± 17.0 years old. No loosening of lens capsule or zonule weakness was found and no complication happened during the surgeries. The surgeries went smoothly and the vision outcome was satisfying. Conclusions Cataracts associated with true exfoliation of the lens capsule can be safely operated without the help of any dye by routine phacoemulsification without having to convert to the extracapsular technique.
Key words:
Phacoemulsification; True enfoliation of the capsule; Cataract
Capsulorhexis
Lens capsule
Capsule
Cite
Citations (0)
Background: To evaluate the effect of prophylactic nepafenac eye drops on macular thickness changes after phacoemulsification surgery in mild to moderate NPDR patients. Method: This study is an open label randomized clinical trial. Thirty-six subjects who met the inclusion criteria underwent phacoemulsification. One group (18 subjects) were given nepafenac 0.1% eye drops and the rest were given placebo. Foveal thickness was measured by SD-OCT before surgery and the fourth week after phacoemulsification. Best corrected visual acuity (BCVA) and degree of inflammation in the anterior chamber were also being assessed. Result: There was a statistically significant increase foveal thickness in the placebo group 4 weeks after phacoemulsification (p=0.022). Clinically, percentage degree of inflammation in anterior chamber in placebo group was higher than nepafenac group (38.9% : 5.6%) but not significantly different between 2 groups (p=0.27). Nepafenac group achieved clinically better BCVA than the placebo group 4 weeks after phacoemulsification, although statistically there was no significant difference between 2 groups (p=0.991). Conclusion: Nepafenac 0.1% eye drops could prevent foveal thickening 4 weeks after phacoemulsification in mild to moderate NPDR patients. Clinically, nepafenac 0.1% eye drops could decrease the risk of inflammation in the anterior chamber, risk of CME, and vision deterioration although did not reach statistically significant. Keywords: Nepafenac, macular thickness, phacoemulsification, retinopathy diabetic
Cite
Citations (0)