**FIRST      AMENDMENT TO**

**SERIES      A PREFERRED STOCK PURCHASE AGREEMENT**

**Amendment**
**Original Agreement**
**Company**
**Purchaser**

**WHEREAS,**

**WHEREAS,**

**WHEREAS,**

**WHEREAS,**

** NOW,      THEREFORE,**

**Second Milestone**

**SCHEDULE      1.4(c)(ii)**

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| **COMPANY:**                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                                                       | **                                                                                        OCUSENSE, INC.**  |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                         By: | /s/Eric                  Donsky                                                                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Name:           Eric                Donsky                          |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Title:             Chief                Executive Officer |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                |                                                                                                                       |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                |                                                                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |   |
| **PURCHASER:**                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                                                       | **                                                                                        OCCULOGIX, INC.** |
|                                                                                         By: | /s/Elias                  Vamvakas                                                                                         |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Name:           Elias                Vamvakas                       |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Title:             Chief                Executive Officer |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                |                                                                                                                       |

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