diff --git a/js/leibovitz/blur.js b/js/leibovitz/blur.js
index 08d1ec5..27fa480 100644
--- a/js/leibovitz/blur.js
+++ b/js/leibovitz/blur.js
@@ -1,5 +1,9 @@
-// Blur management module
-// Uses the Observer pattern to notify the main camera module of blur changes
+/**
+ * Blur management module implementing optimized box blur
+ * Uses the Observer pattern for state management and effect application
+ * Implements two-pass box blur algorithm with boundary detection
+ * Uses content-aware optimization for performance
+ */
 
 const BlurManager = {
     // Private state
@@ -8,14 +12,20 @@ const BlurManager = {
     _slider: null,
     _value: null,
 
-    // Initialize the blur manager
+    /**
+     * Initializes the blur manager and sets up UI controls
+     * Implements the Factory pattern for UI initialization
+     */
     init() {
         this._slider = document.getElementById('blur-slider');
         this._value = document.getElementById('blur-value');
         this._setupEventListeners();
     },
 
-    // Private methods
+    /**
+     * Sets up event listeners for UI controls
+     * Implements the Observer pattern for state changes
+     */
     _setupEventListeners() {
         this._slider.addEventListener('input', () => {
             const value = this._slider.value;
@@ -29,7 +39,11 @@ const BlurManager = {
         this._observers.forEach(observer => observer(this._currentBlur));
     },
 
-    // Public methods
+    /**
+     * Subscribes to blur state changes
+     * @param {Function} observer - Callback function for state changes
+     * @returns {Function} Unsubscribe function
+     */
     subscribe(observer) {
         this._observers.add(observer);
         return () => this._observers.delete(observer);
@@ -39,7 +53,14 @@ const BlurManager = {
         return this._currentBlur;
     },
 
-    // Apply Gaussian blur to an image
+    /**
+     * Applies optimized box blur to an image
+     * Implements two-pass blur with content-aware boundary detection
+     * Uses separate horizontal and vertical passes for performance
+     * @param {ImageData} imageData - Source image data
+     * @param {number} radius - Blur radius
+     * @returns {ImageData} Blurred image data
+     */
     applyBlur(imageData, radius) {
         if (!radius) return imageData;
 
@@ -132,28 +153,10 @@ const BlurManager = {
         return imageData;
     },
 
-    // Create a 1D Gaussian kernel
-    _createGaussianKernel(radius) {
-        const sigma = radius / 3;
-        const kernelSize = Math.ceil(radius * 2 + 1);
-        const kernel = new Array(kernelSize);
-        let sum = 0;
-
-        for (let i = 0; i < kernelSize; i++) {
-            const x = i - radius;
-            kernel[i] = Math.exp(-(x * x) / (2 * sigma * sigma));
-            sum += kernel[i];
-        }
-
-        // Normalize the kernel
-        for (let i = 0; i < kernelSize; i++) {
-            kernel[i] /= sum;
-        }
-
-        return kernel;
-    },
-
-    // Add reset method
+    /**
+     * Resets blur effect to default state
+     * Implements the Command pattern for state reset
+     */
     reset() {
         this._currentBlur = 0;
         this._slider.value = 0;