ABSTRACT
Certain difficult situations coexisting with visually significant cataract warrants special techniques and special considerations during cataract extraction surgery. If appropriate technique and precautions are taken up, the result of surgery can be excellent even in these difficult situations. Some of the difficult situations that may be encountered during cataract extraction are:
1. Small pupil 2. White cataract 3. Hard black cataract 4. Subluxated cataract 5. Cataract with pseudoexfoliation 6. Cataract with existing filtration bleb
The significance of a systematic preoperative evaluation is to be emphasized in every case of cataract surgery. A good preoperative evaluation of a case is very important to foresee certain difficulties or problems that may crop up during the surgery. If the surgeon and the assistant are aware and geared up before-hand for the difficult situations that could be encountered during the surgery, then it can be dealt in an efficient way. The surgeon must be well trained and competent enough to deal with such situations and
should be aware of all the complications of the technique used to deal with the difficult situations.
