These symptoms do not necessarily indicate cataract, but if any of them are present, an ophthalmologist should be consulted immediately. Treatment. [medical-dictionary.thefreedictionary.com]

Blue-light filtering IOLs[edit] Blue light filtering IOLs filter the UV and high-energy blue light present in natural and artificial light, both of which can cause vision problems;[citation needed] however too much filtering of blue light can increase [en.wikipedia.org]

• Aspiration

  The inner portion of the lens can be removed by emulsification and aspiration. More recently the removed cataract has been replaced with a plastic intraocular lens. [medical-dictionary.thefreedictionary.com]

Treatment. The only known effective treatment for cataract is surgical removal of the lens (lens extraction or cataract extraction). The procedure of choice was formerly intracapsular extraction, with total removal of the lens within its capsule. [medical-dictionary.thefreedictionary.com]

Intraocular lens A posterior chamber IOL (with haptics) ICD-9-CM 13.72 MeSH D054120 OPS-301 code 5-984 [edit on Wikidata] Intraocular lens (IOL) is a lens implanted in the eye as part of a treatment for cataracts or myopia. [en.wikipedia.org]