Biodegradable implants sized and suitable for implantation in an ocular region or site and methods for treating ocular conditions. The implants provide an extended release of an active agent at a therapeutically effective amount for a period of time between 10 days and one year or longer.本發明係關於用於治療眼部病症之合尺寸且適用於植入眼部區域或部位之可生物降解植入物及方法。該等植入物可延長釋放治療有效量之活性劑歷時10天至一年之間或更長時段。