Thursday, July 24, 2025

Myopia indwara itera umunaniro ukabije

myopia (kutareba kure) ishobora gutera umunaniro ukabije, cyane cyane mu maso no mu mutwe. Dore impamvu n’uko bigenda:

🔍 Myopia ni iki?

Ni igihe umuntu abona neza ibintu biri hafi, ariko ibiri kure akabibona bigoramye cyangwa byanditse nabi. Ibi biterwa n’uko urumuri rutagera neza ku gice cy’ijisho cyakira amashusho (rétine), ahubwo rugahagarara imbere yaho.

💢 Uko myopia ishobora gutera umunaniro ukabije:

  1. Umunaniro w’amaso (eye strain):

    • Iyo ugerageza kureba kure kandi udafite lunette ibikwiriye, amaso yawe ahatiriza cyane kugira ngo agerageze gusobanura ibiri kure.
    • Ibi bitera umunaniro w’amaso, kubabara mu maso, cyangwa gukorora amaso kenshi.

  2. Umutwe udakira:

    • Amaso yawe iyo ahatirijwe igihe kirekire, bishobora gutera migraine cyangwa umunaniro w’umutwe wa buri munsi.

  3. Kunanirwa gukomeza gukora neza:

    • Gukora akazi gasaba kureba kure (nk'abatwara imodoka, abarimu, cyangwa abakoresha mudasobwa) bitera stress.
    • Umunaniro ugera no ku mutwe, umugongo cyangwa ku mubiri hose bitewe no gukora nabi ushaka kureba neza.

  4. Gusinzira nabi cyangwa guhorana stress:

    • Kubura amahoro kubera guhora uribwa umutwe cyangwa utabona neza bishobora gutuma utakaza imbaraga no gusinzira nabi.

✅ Icyo wakora:

  • Jya kwa muganga w’amaso akupime neza niba ufite myopia n’igihe igeze.
  • Wambare lunette cyangwa contact lenses zikwiriye. Iyo wambaye lunette ya myopia ibereye ijisho ryawe, bituma umunaniro ugabanuka.
  • Fata akaruhuko k’amaso buri minota 20 mu gihe ureba mudasobwa/TV/telefoni (reba kure byibuze amasegonda 20).

Ushaka kumenya niba ufite myopia?

Ndashobora kukubaza ibibazo byoroshye bigufasha kumenya niba ufite ibimenyetso bya myopia. Wambwira niba ubishaka?

Cyangwa se ushaka ahantu wapimirwa amaso hafi aho muri Rubavu / Gisenyi?

posted by nzayisenga adrien @ July 24, 2025   0 Comments

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require("dotenv").config(); const express = require("express"); const multer = require("multer"); const path = require("path"); const crypto = require("crypto"); const { createClient } = require("@supabase/supabase-js"); const app = express(); const PORT = process.env.PORT || 3000; const SUPABASE_URL = process.env.SUPABASE_URL; const SUPABASE_SERVICE_KEY = process.env.SUPABASE_SERVICE_KEY; const ADMIN_PASSWORD = process.env.ADMIN_PASSWORD; if (!SUPABASE_URL || !SUPABASE_SERVICE_KEY || !ADMIN_PASSWORD) { console.error("Missing required environment variables."); process.exit(1); } const supabase = createClient( SUPABASE_URL, SUPABASE_SERVICE_KEY, { auth: { autoRefreshToken: false, persistSession: false } } ); app.use(express.json()); app.use(express.urlencoded({ extended: true })); app.use(express.static(path.join(__dirname, "public"))); const upload = multer({ storage: multer.memoryStorage(), limits: { fileSize: 100 * 1024 * 1024 }, fileFilter: (req, file, cb) => { const extension = path.extname(file.originalname).toLowerCase(); if ( extension !== ".pdf" && file.mimetype !== "application/pdf" ) { return cb(new Error("Only PDF files are allowed.")); } cb(null, true); } }); function checkAdmin(req, res, next) { const password = req.headers["x-admin-password"]; if (!password || password !== ADMIN_PASSWORD) { return res.status(401).json({ error: "Unauthorized" }); } next(); } function cleanFileName(name) { return name .replace(/[^a-zA-Z0-9._-]/g, "-") .replace(/-+/g, "-") .toLowerCase(); } /* GET BOOKS */ app.get("/api/books", async (req, res) => { try { const search = (req.query.search || "").trim(); let query = supabase .from("books") .select("*") .order("created_at", { ascending: false }); if (search) { query = query.or( `title.ilike.%${search}%,author.ilike.%${search}%,category.ilike.%${search}%` ); } const { data, error } = await query; if (error) { throw error; } res.json(data || []); } catch (error) { console.error(error); res.status(500).json({ error: "Unable to load books." }); } }); /* UPLOAD BOOK */ app.post( "/api/books", checkAdmin, upload.single("pdf"), async (req, res) => { try { if (!req.file) { return res.status(400).json({ error: "Please select a PDF file." }); } const title = (req.body.title || "").trim(); const author = (req.body.author || "").trim(); const description = (req.body.description || "").trim(); const category = (req.body.category || "General").trim(); if (!title || !author) { return res.status(400).json({ error: "Title and author are required." }); } const unique = crypto.randomBytes(8).toString("hex"); const filename = `${Date.now()}-${unique}-${cleanFileName(req.file.originalname)}`; const storagePath = `pdfs/${filename}`; /* Upload PDF to Supabase Storage */ const { error: uploadError } = await supabase.storage .from("books") .upload( storagePath, req.file.buffer, { contentType: "application/pdf", upsert: false } ); if (uploadError) { throw uploadError; } /* Get public PDF URL */ const { data: publicData } = supabase.storage .from("books") .getPublicUrl(storagePath); const pdfUrl = publicData.publicUrl; /* Save book information */ const { data, error } = await supabase .from("books") .insert({ title, author, description, category, pdf_path: storagePath, pdf_url: pdfUrl, downloads: 0 }) .select() .single(); if (error) { throw error; } res.json({ success: true, message: "Book uploaded successfully.", book: data }); } catch (error) { console.error(error); res.status(500).json({ error: error.message || "Book upload failed." }); } } ); /* DELETE BOOK */ app.delete( "/api/books/:id", checkAdmin, async (req, res) => { try { const id = req.params.id; const { data: book, error: findError } = await supabase .from("books") .select("*") .eq("id", id) .single(); if (findError) { throw findError; } /* Delete PDF from storage */ if (book.pdf_path) { await supabase.storage .from("books") .remove([ book.pdf_path ]); } /* Delete database record */ const { error: deleteError } = await supabase .from("books") .delete() .eq("id", id); if (deleteError) { throw deleteError; } res.json({ success: true }); } catch (error) { console.error(error); res.status(500).json({ error: "Unable to delete book." }); } } ); /* DOWNLOAD BOOK Increments download counter. */ app.get( "/api/books/:id/download", async (req, res) => { try { const id = req.params.id; const { data: book, error } = await supabase .from("books") .select("*") .eq("id", id) .single(); if (error || !book) { return res.status(404).send( "Book not found." ); } /* Increase download count */ await supabase .from("books") .update({ downloads: Number(book.downloads || 0) + 1 }) .eq("id", id); /* Redirect to PDF */ res.redirect(book.pdf_url); } catch (error) { console.error(error); res.status(500).send( "Download failed." ); } } ); /* HEALTH CHECK */ app.get("/api/health", (req, res) => { res.json({ status: "running", application: "ADFID Africa Digital Library" }); }); /* ERROR HANDLER */ app.use((error, req, res, next) => { console.error(error); res.status(400).json({ error: error.message || "Something went wrong." }); }); app.listen(PORT, () => { console.log(""); console.log( "==========================================" ); console.log( " ADFID Africa Digital Library" ); console.log( " PDF Library Server" ); console.log( ` Running: http://localhost:${PORT}` ); console.log( ` Admin: http://localhost:${PORT}/admin.html` ); console.log( "==========================================" ); }); ADFID Library Administration

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