scholarly journals Formulasi Hydrogel Eye Mask Berbasis Ekstrak Limbah Kepala Udang Putih (Litopenaeus vannamei) Sebagai Suplemen dan Relaksasi Mata Lelah

2020 ◽  
Vol 6 (2) ◽  
pp. 111-117
Author(s):  
Yustian Okwani ◽  
Nurhatidjah Awaliyah Halid ◽  
Silviana Hasanuddin ◽  
Djunaidin Djunaidin ◽  
Deo Julian Hikmat

Kepala udang merupakan salah satu limbah yang belum dimanfaatkan namun mengandung Astaksantin yang dapat dimanfaatkan sebagai pengatasan terhadap mata lelah. Meningkatnya pengunaan komputer menyebabkan gangguan terhadap penglihatan yang dinamakan Computer Vision Syndrome (CVS) yaitu suatu gejala yang dapat menyebabkan berbagai keluhan antara lain mata lelah dan kering, hal tersebut menjadi tujuan penelitian ini yaitu memformulasi kedalam bentuk sediaan dari ekstrak etanol kepala udang putih (Litopenaeus vannamei). Salah satu sediaan mata yang dapat digunakan dengan nyaman bagi pengguna yaitu Hydrogel EyeMask. Jenis penelitian yang digunakan adalah penelitian eksperimental. Preparasi penelitian dilakukan dengan penyiapan ekstrak etanol kepala udang putih (Litopenaeus vannamei) dengan metode maserasi. Formulasi hydrogel Eye Mask dengan menggunakan Na-alginat dan xanthan gum sebagai basis. Sediaan dievaluasi kestabilan dan karakteristik fisik hydrogel Eye Mask dievaluasi melalui pengamatan organoleptis, daya mengembang, dan nilai pH. Hasil evaluasi menunjukkan hydrogel Eye Mask tidak mengalami perubahan organoleptis selama 12 minggu dan memiliki kemampuan menahan air yang baik. Selain itu, pengukuran daya mengembang menunjukkan pada pengukuran minggu pertama yaitu pada jam ke-1 dan jam ke-2 hingga pada jam ke-3 berturut-turut 42,10%, 48,56%, 72,11% dengan nilai pH 6,15±0,04. Hydrogel yang dihasilkan pada penelitian ini memiliki karakteristik dan stabilitas fisik yang baik sehingga diharapkan dapat digunakan sebagai sediaan suplemen dan relaksasi mata.

2020 ◽  
Vol 9 (2) ◽  
pp. 45-49
Author(s):  
Pramod Sharma Gautam ◽  
Uday Chandra Prakash ◽  
Subreena Dangol

Background: The eye and vision related problems that results from continuous use of computers and other visual display terminals for extended period of time leads to computer vision syndrome. Due to rapid digitalization in human life, the risk of developing it has also increased in many folds. So, with an aim of determining the prevalence and level of awareness of computer vision syndrome among computer users along with their attitude and practices to prevent it, this study was conducted in the office employees who use computer for a considerable period of time. Materials and Methods: A hospital based observational descriptive study was conducted in the out-patient department of Ophthalmology in Nobel Medical College and Teaching Hospital, Biratnagar, where 105 employees working in different work stations of same institution were enrolled. A questionnaire and the clinical findings were used to collect data. Results: About 80% of the employees were using computer for about (8-11) hours per day. Prevalence of computer vision syndrome noted was (92.4%) with low level of knowledge (85.7%) about it. About 45% of them wore glasses for their refractive errors but attitude and practices in work place to prevent the bad effects of using visual display terminals were found to be lacking (53.3%). Burning sensation in the eye, headache, ocular irritation and itching and neck, shoulder or back pain were the common symptoms. Around (60-70)% of the eyes tested positive for dry eye. Conclusion: Lack of awareness of computer vision syndrome and lack of personal protective measures were associated with its high level of prevalence.  


Author(s):  
Concepción De‐Hita‐Cantalejo ◽  
Ángel García‐Pérez ◽  
José‐María Sánchez‐González ◽  
Raúl Capote‐Puente ◽  
María Carmen Sánchez‐González

Author(s):  
Mar Sánchez‐Brau ◽  
Begoña Domenech‐Amigot ◽  
Francisco Brocal‐Fernández ◽  
Mar Seguí‐Crespo

2015 ◽  
Vol 98 (3) ◽  
pp. 228-233 ◽  
Author(s):  
Wolfgang Jaschinski ◽  
Mirjam König ◽  
Tiofil M. Mekontso ◽  
Arne Ohlendorf ◽  
Monique Welscher

Vrach ◽  
2021 ◽  
Vol 32 (7) ◽  
pp. 39-46
Author(s):  
T. Potupchik ◽  
E. Okladnikova ◽  
L. Evert ◽  
E. Belova ◽  
Yu. Kostyuchenko

2013 ◽  
Vol 4 (2) ◽  
pp. 244-248 ◽  
Author(s):  
Deepak P. Sawant ◽  
Gajanan R. Parlikar ◽  
Sandeep V. Binorkar

2015 ◽  
pp. 1-2
Author(s):  
Norhani Mohidin ◽  
Chris Ang ◽  
Chung Kah Meng

2013 ◽  
Vol 4 (6) ◽  
pp. 800-804
Author(s):  
Amitabha Mapdar ◽  
Kashinath Samagandi ◽  
Kamalesh Kumar Sharma

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