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    Comparison of Astigmatism Following Phacoemulsification Cataract Surgery with Superior Corneal Incision and Steepest Axis Corneal Incision

    مقارنة اللابؤرية التالية لجراحة الساد باستحلاب العدسة (الفاكو) بالشق القرني العلوي والشق القرني على المحور الأكثر تحدبا" (خبرة مشفى الأسد الجامعي في اللاذقية بين عامي 2012-2013)

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     Added by Tishreen University ورقة بحثية
     Publication date 2014
    and research's language is العربية
     Created by Shamra Editor


    ‎Shamra Academia - شمرا أكاديميا‎


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    Abstract in Arabic Abstract in English

    The purpose of this paper is to determine whether there is a difference in the postoperative corneal astigmatism and uncorrected visual acuity UCVA as well as best corrected visual acuity BCVA between 2 types of clear corneal incisions used in phacoemulsification: the superior and on the steepest clear corneal incision. This study included 40 patients with cataract and mild to moderate corneal astigmatism (0.50 D - 2.00 D) who underwent phacoemulsification with foldable posterior chamber lens (with 3.2mm corneal incision). Patients were randomly divided into two groups: superior clear corneal incision group SCCI (20 eyes) and on the steepest clear corneal incision group OCCI (20 eyes). Measurements included corneal astigmatism by Keratometry, UCVA and BCVA. These Measurements were taken on first day,1 week, 2 weeks,1, 2,3 and 6 months. The mean preoperative corneal astigmatism was (1.24 D ± 0.44),(1.25 D ± 0.44) in superior corneal incision group, and on the steepest corneal incision group, respectively. After 6 months postoperatively, the mean corneal astigmatism was (1.53 D ± 0.49) in SCCI group, (1.03 D± 0.39) in OCCI group, with statistically significant difference (p<0.001).There was statistically significant difference in UCVA. But there was no statistically significant difference in BCVA. The paper concludes that compared with SCCI, the OCCI could correct some corneal astigmatism

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    Research summary
    تهدف هذه الدراسة إلى تحديد وجود اختلاف في اللابؤرية القرنية والقدرة البصرية غير المصححة وبأفضل تصحيح بعد جراحة الساد باستخدام استحلاب العدسة (الفاكو) بين نوعين من الشقوق القرنية: الشق القرني العلوي والشق القرني على المحور الأكثر تحدباً. شملت الدراسة 40 مريضاً يعانون من الساد ولديهم لابؤرية قرنية خفيفة إلى متوسطة، وتم تقسيمهم عشوائياً إلى مجموعتين: مجموعة الشق القرني العلوي (20 عين) ومجموعة الشق القرني على المحور الأكثر تحدباً (20 عين). تم قياس اللابؤرية القرنية والقدرة البصرية غير المصححة وبأفضل تصحيح في فترات زمنية مختلفة بعد الجراحة (اليوم الأول، أسبوع، أسبوعين، شهر، شهرين، 3 أشهر، و6 أشهر). أظهرت النتائج أن الشق القرني على المحور الأكثر تحدباً قد يصحح جزءاً من اللابؤرية القرنية بشكل أفضل من الشق القرني العلوي، حيث كان هناك فرق هام إحصائياً في اللابؤرية القرنية والقدرة البصرية غير المصححة بين المجموعتين، بينما لم يكن هناك فرق هام إحصائياً في القدرة البصرية بأفضل تصحيح بين المجموعتين. توصلت الدراسة إلى أن اختيار موقع الشق الجراحي يمكن أن يؤثر على نتائج اللابؤرية القرنية والقدرة البصرية بعد جراحة الساد، مما قد يساعد في تحسين النتائج البصرية وتقليل الاعتماد على النظارات بعد الجراحة.
    Questions related to the research
    1. ما هو الهدف الرئيسي من هذه الدراسة؟

      الهدف الرئيسي هو تحديد وجود اختلاف في اللابؤرية القرنية والقدرة البصرية غير المصححة وبأفضل تصحيح بعد جراحة الساد باستخدام استحلاب العدسة بين نوعين من الشقوق القرنية: الشق القرني العلوي والشق القرني على المحور الأكثر تحدباً.

    2. كم عدد المرضى المشاركين في الدراسة؟

      شملت الدراسة 40 مريضاً يعانون من الساد ولديهم لابؤرية قرنية خفيفة إلى متوسطة.

    3. ما هي النتائج الرئيسية للدراسة؟

      النتائج الرئيسية هي أن الشق القرني على المحور الأكثر تحدباً قد يصحح جزءاً من اللابؤرية القرنية بشكل أفضل من الشق القرني العلوي، وكان هناك فرق هام إحصائياً في اللابؤرية القرنية والقدرة البصرية غير المصححة بين المجموعتين.

    4. هل كان هناك فرق هام إحصائياً في القدرة البصرية بأفضل تصحيح بين المجموعتين؟

      لا، لم يكن هناك فرق هام إحصائياً في القدرة البصرية بأفضل تصحيح بين المجموعتين.

    References used
    SIMSEK,S; YASAR,T; DEMIROK,A; CINAL,A; YILMAZ,O.F.Effect of superior and temporal clear corneal incisions on astigmatism after sutureless phacoemulsification. Journal of Cataract & refractive surgery. Turkey, Vol. 24, N°.4, April 1998, 515- 518
    OlSON, R. J; CRANDALL, A. S. Prospective Randomized Comparison of Phacoemulsification Cataract Surgery With a 3.2-mm vs a 5.5-mm Sutureless Incision . American Journal of Ophthalmology. USA, Volume.125, Issue .5, May 1998, Pages 612–620
    OZYOL , E; et al . Analyses of surgically induced astigmatism and axis deviation in microcoaxial phacoemulsification. Int Ophthalmol.Turkey, Vol.31, N°.3, Oct 2013, 225-227
    OZYOL, E ; OZYOL, P,et al . The relation between superior phacoemulsification incision and steep axis on astigmatic outcomes. Int Ophthalmol. Turkey, Vol .32, N°.6 , Dec 2012, 565-570
    BORASIO , E ; MEHTA , J .S; MAURINO ,V. Torque and flattening effects of clear corneal temporal and on-axis incisions for phacoemulsification . Journal of cataract & Refractive surgery .United Kingdom, Vol . 32, N °.12 , Dec 2006, 2030-2088
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    Anterior Corneal Surface Changes and Their Role in the Refractive Error after Phacoemulsification cataract Surgery
    1072 - Tishreen University 2014 ورقة بحثية
    The study was performed on (50) eyes of (50) patients who attended the Ophthalmology Department at Al-Assad Hospital University in Lattakia, from Nov 2012 to Nov 2013. Our study included 32 (64%) males and 18 (36%) females who had senile cataract wit h mean age about (59.88±7.24 years). The aim was to study anterior corneal surface changes after phacoemulsification and the role of these changes in the refractive error after surgery. The patients were followed by regular periods during three months after surgery. In each visit, we recorded Best Correct Visual Acuity (BCVA), vertical, horizontal keratometry reading (K-reading) and sphere and astigmatic refraction errorby (Grand Seiko GRK-1 Auto Kerato-Refractometer) in a private data sheet for each patient. Results showed improving in BCVA from (0.27±0.1) before surgery to (0.92±0.16) three months after surgery. There was no significantstatistical value in steepening of horizontal meridian (0.12)D (P=0.13),but significant flattening in vertical meridian (0.21)D (P=0.0001), with no significant flattening in mean keratometric reading (0.05)D (P=0.215) three months after surgery. The mean of spherical refraction error after three months of surgery was (0.24±0.93)D. The refractive astigmatism after surgery was about (-1.08±0.74)D, and the keratometric astigmatism about (1.18±0.63)D, there was no significant difference between them(P=0.61).The Surgically Induced Astigmatism ( SIA) was about (0.47±0.38)D. There was no significant statistical value according to the keratometric astigmatism before and after surgery(P=0.785). So, we can say that the anterior corneal surface changes after phacoemulsification are responsible for (20.83%) of the spherical refractive error after surgery. The corneal astigmatism after surgery is interpreting the refractive astigmatism in about (76%) of patients and SIA is responsible for about (67%) of surgery induced refractive astigmatism.
    الساد استحلاب العدسة سطح القرنية الأمامي الخطأ الانكساري Cataract Phacoemulsification Anterior corneal surface Refraction error  المزيد..
    The Role of Risk Factors For Breast Cancer
    1409 - Tishreen University 2013 ورقة بحثية
    The study included 1,800 patients who were admitted in the following departments (surgery, internal and gynecology department) at AL- ASSAD University Hospital in Lattakia in 2011-2012 from the age of 40 years and above. The study, which was based on a built-in statistical form of risk factors for breast cancer, showed that the percentage of the infected was 9,8%. All risk factors including ageing ,obesity, lack or absence of birth, late age at first childbirth, early puberty, late menopause, hormonal treatment, injuring a first degree relative, staying in cities and the size of bras increase the risk of breast cancer and the impact is worth respectively: 0,115-0,387-0,178-0,157-0,143-0,217-0,15-0,030-0,092-0,244-0,212.
    عوامل الخطورة Risk factors parity family history الإنجاب التاريخ العائلي
    Topical Anesthesia in Phacoemulsification with IOL Implantation
    777 - Damascus University 2005 ورقة بحثية
    Purpose: to assess the efficiency of topical anesthesia in phacoemulsification with IOL implantation. Department of Ophthalmology, Muasaa Hospital. The research was carried on 56 eyes of 48 patients.
    Phacoemulsification التخدير الموضعي بالتقطير استخراج الساد باستحلاب العدسة Topical anesthesia
    Comparative study of potassium hydroxide (KOH) 15% solution versus tretinoin 0.05% cream in treatment for Molluscum Contagiosum
    1830 - Tishreen University 2017 ورقة بحثية
    Background : Molluscum contagiosum is one of the commonest cutaneos viral infections in children . Although there is no specific treatment for this infection many therapeutic modalities have been used with different success rates , including curett age, trichloroacetic acid , and cryotherapy . All treatment modalities are associated with substantial pain, tissue destruction, and frequent recurrence. There are other modalities that can be applied by parents and less side effects , such as using tretinoin and KOH . In our study , we compare between KOH which dissolves keratin and penetrate deeply the skin , and tretinoin which damages the viral protein – lipid membrane Objective : To compare the efficacy and side effects of KOH 15% solution with tretinoin 0.05% cream for treatment of molluscum contagiosum . Material and methods : Total 52 patients with molluscum contagiosum were enrolled in this study, from 2013 to 2014 , from Dermatology Department of Al Assad University outpatients, Lattakia .We have designed a questionnaire include personal factors In addition to the tables to compare all of KOH (15%) solution and teritnoian (0.05%) cream in terms of effectiveness in the treatment and side effects. Results : Mail : female ratio was (1.48 : 1) , age onset was higher at first decade (67.3%). The most common involved site was the trunk ( 42.3 %) . Both of the study treatment regimens have advantage over other treatment options as they are locally applicable , less traumatic and painful . Because of these characteristics , they can be easily applicable for the treatment of Molluscum Contagiosum . During the treatment period , using KOH (15%) showed cure rate ( 75%) after two weeks of treatment , while using tretinoin (0.05%) showed cure rate (20.8%) after two weeks, and most of the patients need four weeks and even more Conclusion : The result of both KOH and tretinoin showed good response , well tolerated by children but between the two , KOH showed fast recovery and most lesions were resolved before 4 week . The side effects could be minimized if applied as stated above . On the other hand , tretinoin showed delayed response and even some of lesion extended beyond 4 week but the side effect were less , and hence can be used in recurrent cases.
    المليساء السارية Molluscum contagiosum 15%KOH 0.05%tretinoin
    Epidemiology of Visceral leishmaniasis in Al- Assad University Hospital ,Latakia between 2010 and 2014
    1220 - Tishreen University 2018 ورقة بحثية
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    Visceral Leishmaniasis اللشمانيا الحشوية الضخامة الطحالية بزل النقي splenomegaly Leishmania amastigotes
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