As an oral diagnostician, many of our patients we come across are mostly the potentially malignant disorder cases. Either it might be leukoplakia, nicotina stomatitis, oral submucous fibrosis, tobacco pouch keratosis. In each of this cases where habits are the prime factor for occurrence of the lesions intraorally, the first line of treatment is cessation of the habits. But practically speaking, we don't spend much time about the cessation of the habits. As an oral diagnostician, it is our duty to motivate and educate the patient about the evil effects of the deleterious habits and need to follow up the patient and guide him to quit the habits. This article intends to highlight about one of the methods to stop the deleterious habit of smoking that is nicotine replacement therapy and therewith preventing the transformation of potentially malignant disorders into oral cancer.

BACKGROUND Anterior chamber depth and lens thickness have been considered as important biometric determinants in primary angle-closure glaucoma. Patients with primary narrow angle may be classified as a primary angle closure suspect (PACS), or as having primary angle closure (PAC) or primary angle closure glaucoma (PACG). 23.9% of patients with primary angle closure disease are in India, which highlights the importance of understanding the disease, its natural history, and its underlying pathophysiology, so that we may try to establish effective methods of treatment and preventative measures to delay, or even arrest, disease progression, thereby reducing visual morbidity. AIM To determine the lens thickness using A-scan biometry and its significance in various stages of angle closure disease. MATERIALS AND METHODS Patients attending outpatient department at Minto Ophthalmic Hospital between October 2013 to May 2015 were screened for angle closure disease and subsequently evaluated at glaucoma department. In our study, lens thickness showed a direct correlation with shallowing of the anterior chamber by determining the LT/ ACD ratio. A decrease in anterior chamber depth is proportional to the narrowing of the angle which contributes to the progression of the angle closure disease from just apposition to occlusion enhancing the risk for optic nerve damage and visual field loss. Hence, if the lens thickness values are assessed earlier in the disease process, appropriate intervention can be planned. CONCLUSION Determination of lens changes along with anterior chamber depth and axial length morphometrically can aid in early detection of angle closure. The role of lens extraction for PACG is a subject of increased interest. Lens extraction promotes the benefits of anatomical opening of the angle, IOP reduction and improved vision. This potential intervention may be one among the armamentarium of approaches for PACG. Among the current treatment modalities like laser peripheral iridotomy and medical therapy, lens extraction with trabeculectomy/goniosynechialysis may be beneficial. KEYWORDS

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